Retumbo Temperature Sensitivity



Also may test some CFE 223 as it appears to add about 100 fps or more and also try IMR 4166. H110® is the spherical powder delivers top velocities with top accuracy in the 44 Magnum, 454 Casull, 475 Linebaugh and the 460 and 500 S&W magnums. No issues with temperature sensitivity. H1000 and retumbo are extreme powders. Increase your rifle's performance up to 200 fps without extra chamber pressure, recoil, muzzle blast, temperature sensitivity, fouling, or loss of accuracy. Smokeless gunpowder for reloading from the best manufacturers. 5 Sherman with RL-26 vs Retumbo. Retumbo® H4350® H50BMG® H322® 6430 Vista Drive * Shawnee, KS 66218 * Phone (913) 362-9455 * Fax (913-362-1307 www. " I have found this powder to perform excellently in both the 30-06 Springfield and 338 Winchester Magnum with light to medium bullet weights, just as the manual states. From the standpoint of powder, the great leap forward is the inclusion of loads featuring Norma URP and Norma 217 where appropriate. 2gr in the hot weather but I can't say it was absolutely necessary. It's my current go to powder. WST pistol powder is known to be reverse temperature sensitive but i like it anyway I was talking to a hogdon tech a few years ago, and he told me how they accidentally discovered that VARGET was very temperature stable typically IMR stick type powders are more temp stable than ball powders like BLC2, win748 etc. Reloder ® 25 Rifle Powders. The pelletized form makes for faster reloads with pre-formed charges that easily drop down the barrel and is easy to pack without the need for measures or funnels. I want to use either AR2217 (H1000) or AR2225 (Retumbo) Both these powders are temperature tolerant and readily available. I've noticed that some chronographs are sensitive to gas or shock wave from the muzzle. EMP3 i can tell you have never used h380 power this is very temp. Better choices are IMR7828ssc, H1000, RL19, Accurate MagPro, and Ramshot Magnum. It provides outstanding performance from the popular 7mm Rem Mag and 300 Win Mag through the Remington Ultra Mags and 338 Lapua. Most powders go the other way though, heat brings ugly pressure. Regarding temperature sensitivity, it isn't simple. im trying really hard to just use a couple powders instead of a shelf full. 0gr of H1000 under 200gr Accubonds loaded. The burn rate is similar to Retumbo. 5 of Retumbo and and it cllocks in at 2950 FPS. Loads were developed in 70'ish temps and once they rose to around the low to mid 90's they locked up the bolt. My rifle loved RL22 equally as well as Retumbo, and they were both very accurate with the obvious velocity advantage to Retumbo and the 72g load. #2 what about the temperature sensitivity of the RL25, northern KY can be sub zero in winter and 100+ in summer, and with my work schedule, I'm liable to be itching to shoot in either if i have time away from work. The 300RUM works well with 180-210gr Bullets, but really shines with the 200gr pills. Burning 75 to 80 grains of powder should equate to average barrel life. Looking for 4350 from Hodgdon, 4895 from IMR, #26 from Alliant, Accurate 2200, or Vihtavouri's 320?. Retumbo was the most accurate and Rl-25 was the fastest with the 200 gr eld-x. The load I used this year was with RL26 and it's pushing 180vld's @ 2950fps. been parkway plaza stadium 12 substreams of differential-temperature waters which originate along. Thanks for sharing excellent data, Pudding+. 5 Creedmoor forum. Plus, the case was only about half full or less. But they fly true and the bc numbers are right on. has any one used this powder with 140gr pills i am using vld thinking start load around 73gr and experience would be great. This is a discussion on All Temperature powders within the Reloading forums, part of the Firearm Forum category; I was reading that temperature has little or no effect on these powders, H4198, H322, BENCHMARK, H4895, VARGET, H4350, H4831, H4831SC, H1000, RETUMBO and H550BMG,. The 7mm Remington Magnum is one of the great all-around rifle cartridges and the most popular magnum cartridge yet devised. Never really experimented with it. Try using the Hodgdon Series of Extreme Powders for better results; these include the following powders: H-322 H-4895 Varget H-4350 H-4831 H-1000 and Retumbo. (IVI), a small caliber ammunition plant; and the second, in 1986, Canadian Arsenals Ltd. Powder Temperature Sensitivity. The effects of temperature sensitivity can cause a miss at long range, and unsafe pressures. I load Winchester cases, Federal primers, Nosler Accubond 110gr or Speer 120gr BTs, ADI powder AR2225/Retumbo, AR2213/H-4831, AR2209/H-4350. Recently I have seen that cold weather is producing hotter with a. Most powders go the other way though, heat brings ugly pressure. The temperature was 47 degrees and rifle and ammo were allowed to assume ambient temp before firing as verified by an infrared thermometer. Retumbo was good but got as good as 1000, RL-25 was awesome, but at the load he was shooting had temp sensitivity issues, going from mild to wild with a 20 degree shift up. I know or rather hear what is being said about powder sensitivity to temperature. Illustration courtesy of Hornady Mfg. Retumbo gave good velocity but peaked very fast working up loads, good accuracy too. I talked to a guy in susquhannah county who builds guns his last name is Borden he said go with the RL-25 he feels that's the better of the two I also did some research and a lot of people are saying retumbo powder is the way to go out of the 300RUM I have not played with this yet but I'm hoping to get some 208 grain A max with retumbo tomorrow. 62mm NATO and the 6mm PPC. Sorry I don't have any 300 Win loads for you Allen, but if I had to make one up tomorrow H1000 is probably the first powder I'd try--mainly for being less temp sensitive than RL22 which I also liked a lot. It is simple to test, take five loads in a cooler out to the range on a hot summer day and record the average velocity of five hot shots and five cold ones. Do you notice any temp sensitivity with it? Share this post. Best site for precision rifle accuracy and accurate shooting. These powder selections offer the least temperature sensitivity and will provide the most consistent velocities over an extreme range of temperatures. The Hodgdon Extreme line of powders are single base, extruded, and coated to be more temp stable. Hodgdon lists as extreme powders: H1000, H50BMG, H4198, H322, H4350, H4895, H4831, H4831SC, Varget, Benchmark, and Retumbo. Reloader 33 temp sensitivity and consistency SD and velocity doesn't change but like +/-2 in that temp range with h1000 or retumbo May 15, 2013 #8. I sold the rest of it. RL25 is temp sensitive, although not to the extent of IMR 4350. I have shot pressure test loads and had no pressure signs up to 97. In my experience, Retumbo can go from safe, to bolt sticking hot REAL fast. Retumbo is really outside the window of ideal burn rates for the 270Wby's case capacity to bore ratio. You could also try the new Reloader 33. Just conducted a test this morning. all my manuals only list 200 and 220 gr projectiles. This banner text can have markup. I used Nosler Accubonds in 180 grain. Send Jeff Bartlet an email. My experience with the 16 has been really good or the rifle doesn't like it. I think you could squeeze another 25 fps or so using Retumbo but that will be a very compressed load, and IMR 7828 is too temp sensitive for me. Nearly zero temperature sensitivity, and a little higher velocites than Retumbo and H1000 (which are both good). A hand loader wouldn't think of using Varget or Retumbo in all their calibers from 17 Hornet to 375 H&H. (IVI), a small caliber ammunition plant; and the second, in 1986, Canadian Arsenals Ltd. 270 Winchester and the. Cordite, which was the common propellant at the time Rigby designed the case, was extremely sensitive to pressure fluctuations brought on by a change in temperature. 5x284's, 300WM, and 338Lapua. WST pistol powder is known to be reverse temperature sensitive but i like it anyway I was talking to a hogdon tech a few years ago, and he told me how they accidentally discovered that VARGET was very temperature stable typically IMR stick type powders are more temp stable than ball powders like BLC2, win748 etc. 4350 has been about 50 fps per 20 degrees. What is my average variation (fps per degree shift)? 4. Never really experimented with it. The big news is the inclusion of 10% nitroglycerine. I need a CA legal hunting round for this rifle. The 7mm Remington Magnum is one of the great all-around rifle cartridges and the most popular magnum cartridge yet devised. That's 60 fps for about a 50 degree temperature rise. Retumbo® H4350® H50BMG® H322® 6430 Vista Drive * Shawnee, KS 66218 * Phone (913) 362-9455 * Fax (913-362-1307 www. You could also try the new Reloader 33. The burn rate is similar to Retumbo. It is an easy caliber to get to shoot tiny groups. Nothing yet but this is the load that will go to Southern B. I constantly see on reloading forums where people talk about temperature sensitive powder. You can test any powder for temperature sensitivity. The 338’s: RUM, Lapua, and Edge by Lucas Beitner. I recently discovered that gun powder is affected by temperature changes. I then loaded 5 rounds each at half grain increments from 90 to 92. retumbo This magnum, extruded powder was designed expressly for the really large overbored cartridges such as the 7mm Remington Ultra Magnum, 300 Remington Ultra Magnum, 30-378 Weatherby Magnum, etc. Loads were developed in 70'ish temps and once they rose to around the low to mid 90's they locked up the bolt. Using bullets from Swift SP, Hornady SP, Nosler Partition, Barnes Jacketed Round Nose. But in some of the more over bore cartridges like our 7mm FX and 338 Lunatic, the likes of Vhit 20N29 and US869 will produce way more velocity for pressure than H50BMG. range of Magnums, and large capacity/small bore cartridges like the 6. If you want to get the best velocities, you should try RL26, retumbo, or 8133. I do not have my 90. They're "less" sensitive. N160 A slow-burning powder well suited to a broad. from 40 below to 100 above. 338″ caliber cartridges for long range shooting. Very clean. The rifle I use IMR 4831 on is a 280ai that shoots Barnes TSX’s very well. I'm looking for a recipe for the 124 GR Hammer Hunter in 6. Yeah from what I can figure Varget is AR 2208 as they have the same charge weights for the same velocity. 68 RETUMBO. I recently discovered that gun powder is affected by temperature changes. TAC is listed and is a guide to how much the velocity/pressure can increase with increase of each degree in temperature. This is another of the spherical powders Hodgdon Powder Company and Hornady Manufacturing introduced to answer the frequently asked reloading question: Can I buy the powder used in the Hornady Superformance factory ammunition?. Silhouette shooters claim it is the most accurate 44 powder they have ever used. I tried RL33 in the 338 Lap Imp. Others have seemed to have different results. The question is: should I clean up the powder shelf by just using H4350 or does R-19 provide a better alternative? I did notice that they sit very close on the powder burn rate chart. php on line 143 Deprecated: Function create. Retumbo was good but got as good as 1000, RL-25 was awesome, but at the load he was shooting had temp sensitivity issues, going from mild to wild with a 20 degree shift up. online i have seen people shooting around the 90 to 92 range but the closest my 7th edition harveys manual lists is 200grs with 81 to 86 grains. Retumbo-3400 FPS Accurate and should be good for almost anything but then I wouldn't have anything to do. Vihtavuori High Energy powders are available in for burning rates:. So if you have any experience with the 338 RUM, I am all ears. Moving them back a little helps. big advantage. Is one more temp insensitive than the other? Retumbo being part of the Extreme line supposedly makes it less sensitive to movement of the mercury, which I see as a good thing when having nearly 100gr cook off next to my face, haha. I've read several threads about the RL17's temperature characteristics, but nothing on the Magnum or Magpro powders. Noslers is overstated. 300 off the lands and shot awesome. Photo may not depict available powder type. 300 Win Mag using 200gr bullets. For two, there pretty clean burning powders, also pretty good for lot to lot consistency, (a lot better then RL25 anyways). Be careful at the temperature extremes! In addition do not use ball powders at very low load densities. 1°F temp change=1fps. Pressure sensitive is not atmosphere pressure tho it can be a concern in long range shootingpressure sensitive is a factor of the powders "potential" energy as change in pressure occurs, i. Loading density is perfect for magnums, contributing to superb uniformity. Reloder ® 19 Rifle Powders. has been VV N570. MAGNUM is the ultimate high performance magnum rifle powder. (I use Retumbo in my. When you seat bullets, do they go in nicely and with similar force by feel?. Norma MRP is a magnum rifle powder that deserves a place on every handloader's shelf. It depends not only on the powder, but also on the case geometry. Where can one find data on muzzle variation?. But the Alliant bottle clearly says "consistent at all temperatures" in fairly visible letters on the front label. Posted on February 17, 2014 November 2, 2015 by Ammoland. STOMP442 STOMP442 59 retumbo over 215 match 3100 FPS. The load I used this year was with RL26 and it's pushing 180vld's @ 2950fps. Retumbo gave good velocity but peaked very fast working up loads, good accuracy too. The Latest In Reloading, Straight To Your Inbox Keep up-to-date on new products, trends and tips from the leader in reloading. 0 Grain velocities available at this time but I did chrony my 88. Other "What The Pros Use" Articles. The burn rate is similar to Retumbo. So for a long time now I have sworn off RL powders with the exception of RL 15 that I use in my 375 h&h and 416 rem. I've read several threads about the RL17's temperature characteristics, but nothing on the Magnum or Magpro powders. 30-06 and. RL17 proved to shoot a full 200 fps faster in this cartridge than either Hodgdon powder used. Regarding temperature sensitivity, it isn't simple. Retumbo seems sensitive to starting pressure, so neck tension, distance to lands (which may be moving away), and neck cleanliness can cause ES. The 2015 Summer Catalog from Natchez Shooter's Supplies feature everything the shooting enthusiast needs! Great deals on optics, ammunition, reloading equipment, hunting gear and much, much more!. Reloader 19 or Reloader 22 for 7mm Rem Mag The powder of choice for the 7mm RM seems to be the Reloader 22, however, the Nosler website lists Reloader 19 for the 140 & 160 grain Accubond bullets. The concern with R19 is that I have read it is temperature sensitive which may not be a good thing when moose hunting. retumbo This magnum, extruded powder was designed expressly for the really large overbored cartridges such as the 7mm Remington Ultra Magnum, 300 Remington Ultra Magnum, 30-378 Weatherby Magnum, etc. That's 60 fps for about a 50 degree temperature rise. Burning 75 to 80 grains of powder should equate to average barrel life. Moving them back a little helps. This is a big difference in reloading cost, although a straight across comparison would probably not be fair to the Lapua. They're "less" sensitive. There are a ton of guys who love the stuff but I've never liked the Reloader series of powders due to their temperature sensitivity. 5 Creedmoor based on a survey of over 150 of the top-ranked precision rifle competitors. Can't say much about temp sensitivity. 5 Creedmoor. I think your right on concentrating around H1000/RL25/Retumbo. The VV is good clean burning powder but expensive and can be temp sensitive. Natchez Shooters' Supply recently received a large shipment of Hodgdon powder. It was around 80 degrees today, probably 30 degrees warmer than when I first tried these loads. Hodgdon Superformance powder is another high-performance powder that handloaders now have at their disposal for creating fast and accurate loads for a number of cartridges. Ammoland Inc. MK 248 MOD 1 specs. Reloader 33 temp sensitivity and consistency SD and velocity doesn't change but like +/-2 in that temp range with h1000 or retumbo May 15, 2013 #8. New, Advanced Alliant Powders: Reloder 23 and Reloder 26. O Scribd é o maior site social de leitura e publicação do mundo. (This was at 30F ambient temp. Extreme spread/temp sensitivity is another reason I considered Retumbo as it is supposed to be an "extreme" powder (less temp sensitive. I'm looking for a recipe for the 124 GR Hammer Hunter in 6. The Sierra Manual shows a charge weight of 86. The 338 RUM, and 338 Edge (wich uses 300 RUM brass) can be had for around $80 for 100pc. Where I hunt I've never particularly worrled about the temp sensitivity issues (if any) with RL22. Unless these powders are hard to obtain in your location there is no reason not to start with one or the other. 338″ caliber cartridges for long range shooting. Hodgdon H1000 powder is known for its fluidity through measures with outstanding accuracy and providing match-grade accuracy we have all come to expect from Hodgdon Powder. Norma MRP is a magnum rifle powder that deserves a place on every handloader’s shelf. Other Important Information:. Living in Montana i have the ability to shot in temps. Retumbo is really outside the window of ideal burn rates for the 270Wby's case capacity to bore ratio. I have loaded for three different 7mm Mags, one liked H-1000, one likes IMR-4350, and one isn't too picky IMR-4831 to VV-165 using an assortment of Nosler bullets. Mostly retumbo and H1000, supposedly not temp sensitive powders per hodgdon. I have been using some viht powder that I bought to use with some Nosler 160 gr bullets but it was a bit too temperature sensitive. URP has a burn rate between 4350 and 4831. "When your outgo exceeds you income, your upkeep will be your downfall" Larry Gatlin. I need to do some chronoing at cold temps and see what the numbers are. I am one of them who don't like Retumbo in my 110BA, to dirty in the Big side) SAMMI spec chamber that Savages uses. varys sometimes out to 50 fps. They listened and said I shouldn't have any problems whatsoever. H4350 and H4831sc both give excellent accuracy with less-than-average temp sensitivity and best-in-class ES and SD. it is a single base powder (no nitro) therefore it is more tolerant of temp changes. I know the powders by Hodgdon, such as H-1000, 4831, 4350, are not sensitive. The two powders that were Highly suggested by Michael ( Ranch Dog ) for the Marlin 45-70 and the Ranch Dog 350Gr was H-322 and BenchMark. To maximize performance, the ballistics experts at Western Powders, Inc. 300 Winchester Mag, MRP is an extremely versatile magnum powder. The big news is the inclusion of 10% nitroglycerine. Maybe Retumbo is to slow, but I would give it a try. com has 223 243 308 6mm 7mm caliber accuracy reloading data. MAGNUM is the ultimate high performance magnum rifle powder. This is a discussion on All Temperature powders within the Reloading forums, part of the Firearm Forum category; I was reading that temperature has little or no effect on these powders, H4198, H322, BENCHMARK, H4895, VARGET, H4350, H4831, H4831SC, H1000, RETUMBO and H550BMG,. h1000 This extruded powder is a member of Hodgdon's Extreme series of powder with slow-burning characteristics, perfect for highly-overbored magnums like the 7mm Remington Magnum, 7mm STW and the 30-378 Weatherby. This article contains detailed reloading data for the 6mm Creedmoor and 6. N160 A slow-burning powder well suited to a broad. The load I used this year was with RL26 and it's pushing 180vld's @ 2950fps. It is an extruded. Posted on February 17, 2014 November 2, 2015 by Ammoland. By Chuck Hawks. I'm sure the rl is getting better velocity but I lost all my data from the fall when I worked up that load. Whether you’re new to reloading or a seasoned vet, there’s always something more to learn. Likely go with the retumbo as it’s less temperature sensitive. The question is: should I clean up the powder shelf by just using H4350 or does R-19 provide a better alternative? I did notice that they sit very close on the powder burn rate chart. The Latest In Reloading, Straight To Your Inbox Keep up-to-date on new products, trends and tips from the leader in reloading. IMR 4064 is a medium-range burn speed powder and is one of the most versatile propellant in the IMR line, used for 223 Remington, 22-250 Remington, 220 Swift, 6mm Remington, 243 Winchester Super Short Magnum, 308 Winchester, 338 Winchester Magnum, and the list goes on and on. Could someone please explain to me what exactly is being referred to when this subject comes up? It always seems to be with Alliant powders when i read these post. 0 Grain velocities available at this time but I did chrony my 88. My best load with the accubond and RL26 shot 3015fps out of my b14 hunter. RL25 is temp sensitive, although not to the extent of IMR 4350. Neither should they think of Superformance in that way. im hoping it will do as well in my 28 nosler. 25-06 Rem and a variety of belted Magnums. EMP3 i can tell you have never used h380 power this is very temp. Other "What The Pros Use" Articles. I would drop the charge by. Hodgdon Smokeless Powder 8 LBS, Reloading Equipment, Tools, Components, and Accessories: Midsouth Shooters offers a great selection of Hodgdon Smokeless Powder 8 Lbs for your reloading needs. So if you do load development in the summer @ 90°, and you hunt when it is 30°, you will get 60fps slower speeds, which will probably push you out of your accuracy node. Retumbo-3400 FPS Accurate and should be good for almost anything but then I wouldn't have anything to do. Last fall I was working up loads with 160 Accubonds on my 7mag using both RL-22 and H4831SC for an elk trip. With a cock on closing design, it seems easier to feel differences in bolt lift. The 338’s: RUM, Lapua, & Edge. * (See burn rate chart. Also, which powder is more temperature sensitive? From what I have found on LRH and other sites, Retumbo seems to give better velocities than H1000. Some powders are less temperature sensitive than others, some are a lot more picky about temperature. A Different type of Powder chart Here is a chart I made up, of the 140+ Us powders, it is current as of 2015. It is an ideal combination when used with the 270 Win,. 2015 is a popular choice for first-class performance in benchrest calibers and is also recommended for use in large bore straight wall cartridges (45-70, 458 Win Mag). You just have to see what is acceptable for your application. The temperature of the ammunition can be a big variable. I'm one of the few that can say that it didn't happen. Back in the summer I did some load development with Reloder-22. Benchrest, F-Class, Tactical, Varmint, High Power precision Shooting. " From what I can tell RL15 is the same as ball powder when it comes to temp sensitivity. the difference in my 243 at 50 degrees and at 15 below is around 500 fps. Thanks for sharing excellent data, Pudding+. ª edición de Manual W ashington ® de Medicina de urgencias. This is a true magnum propellant yielding outstanding performance in 300 Winchester Magnum, 7mm Remington Magnum and 338 Lapua, among other cartridges. Buy the Hodgdon H1000 Rifle Powders and more quality Fishing, Hunting and Outdoor gear at Bass Pro Shops. WE worked up loads for my friends using most of the mentioned powders. at the end of next month. I recently discovered that gun powder is affected by temperature changes. When you seat bullets, do they go in nicely and with similar force by feel?. 68 RETUMBO. If you want to get the best velocities, you should try RL26, retumbo, or 8133. I do not have enough data yet for RL 17 to say for sure. are calling the wind and Elev. IMR recommends always consulting www. No issues with temperature sensitivity. Using bullets from Swift SP, Hornady SP, Nosler Partition, Barnes Jacketed Round Nose. Features custom input or general table with commonly used long-range powders. had a guy tell me Retumbo was temp sensitive, well after having ammo sit and bake in the sun on one day then take it to an indoor range the next 40˚ temp swing same loads. I burn Retumbo with heavy 230 Bergers and it is great but would burn H1000 with lighter. Re: 338 lapua vs 338 RUM or edge The biggest advantage that the 338 Edge has over the Lapua and Norma is that it can be safely built on a Savage. RL25 I understand can be a touch temperature sensitive so the ADI would win that race. With a 100 fps loss in velocity the bullet will drop an additional 9. One thing I like about Western powder data is they list the actual pressure. Denton Bramwell had a good article on temperature sensitivity in the now-defunct Varmint Hunter magazine. Powder Temperature Sensitivity. Look forward to hearing your suggestions. IMRReloading. A hand loader wouldn't think of using Varget or Retumbo in all their calibers from 17 Hornet to 375 H&H. The pelletized form makes for faster reloads with pre-formed charges that easily drop down the barrel and is easy to pack without the need for measures or funnels. List of Powders & Their Physical Characteristics I don't know how many other people are like me, but I load on a progressive and I want easy-metering powders. I had a delay fire in the subzero temps in 2007 with my 7mmMag (using Federal Mag Primers) that cost me my first elk. Retumbo was the most accurate and Rl-25 was the fastest with the 200 gr eld-x. You've probably heard of Allliant Reloder 22 powder, but how about Reloder 23? Or Reloder 26? These two new European-produced Reloder propellants were introduced in 2014. Data courtesy of Varget. I never loaded enouph to get proper readings on my velocity spreads, but if it will hold under 20 ill be switching to this powder. Some powders are less temperature sensitive than others, some are a lot more picky about temperature. IMR 4166 performed very similar to Varget, and proved to be fairly insensitive to large swings in temperature. com has 223 243 308 6mm 7mm caliber accuracy reloading data. Confirm this if you can: IMR powders are temperature sensitive. All Temperature powders. Each gun is its own animal. I burn Retumbo with heavy 230 Bergers and it is great but would burn H1000 with lighter. 5 Grain RSM/300 SMK/Lapua Brass/215M/2. Most powders go the other way though, heat brings ugly pressure. Bob and EOL are building rifles that are capable of shooting extremely aggressive bullets, so Bryan and Berger Bullets have risen to the challenge of producing such a bullet. Where I hunt I've never particularly worrled about the temp sensitivity issues (if any) with RL22. I had frequently searched the internet for a relatively comprehensive list, and short of a few forum entries by folks based on personal experience there was nothing out there. * (See burn rate chart. Hodgdon Powder Co. This bullet shot consistently well over a broad powder charge range, with velocity reaching 2930 fps in this rifle. Reloader 19 or Reloader 22 for 7mm Rem Mag The powder of choice for the 7mm RM seems to be the Reloader 22, however, the Nosler website lists Reloader 19 for the 140 & 160 grain Accubond bullets. 308 Service rifle load data using BLC (2) and 150gr Hornady FMJ-BT within the Ammunition forums, part of the M14 M1A Forum category; I have looked in Hornady's 9th edition manual as well as Hodgdons site with no luck for this bullet and powder combo. 260 remington to shoot 123 class bullets at over 3200fps out of a 26in barrel. These discriminating shooters encounter instances where temperature conditions play a major role in accuracy. has any one used this powder with 140gr pills i am using vld thinking start load around 73gr and experience would be great. 3150 fps it was a little hot but seemed to work. Unsatisfied with current temperature testing methods, the authors have talked quite a bit about how to carry out a convincing experiment to test velocity variations over temperature but decided to start with an experiment testing velocity variations over different lots of. The Latest In Reloading, Straight To Your Inbox Keep up-to-date on new products, trends and tips from the leader in reloading. Hodgdon Powder Company leads the way again by developing an outstanding 50 BMG propellant that offers significant advantages in many magnum rifle applications! US869 is a true magnum Spherical rifle powder that is superb with heavy bullets in big, overbore rifle cartridges. Just a heads up, I tried the 168gr ALR, first go round I was seating the bullets to touch the lands and had terrible results. php on line 143 Deprecated: Function create. I've noticed that some chronographs are sensitive to gas or shock wave from the muzzle. 24 fps per *. I think you could squeeze another 25 fps or so using Retumbo but that will be a very compressed load, and IMR 7828 is too temp sensitive for me. Testing for Temperature Sensitivity - Part 1 The Powder. At this point I will use RSM for any loads I 'may' make for my Savage IF I ever get the urge to shoot her again. I use H1000 and N570 on my 300gr and H4831SC and N560 with my 250gr. At this point I will use RSM for any loads I 'may' make for my Savage IF I ever get the urge to shoot her again. Hodgdon Powder offers the largest selection of quality smokeless propellants for any reloading application. 50 BMG than the VhitiVouri 20N29. Denton Bramwell had a good article on temperature sensitivity in the now-defunct Varmint Hunter magazine. The results of my testing seem to lean towards some small amount of temperature sensitivity with this powder. 300 H&H Mag. Powders temperature sensitivity as found by Ballistic XLR H50BMG 1. Nearly zero temperature sensitivity, and a little higher velocites than Retumbo and H1000 (which are both good). 2gr in the hot weather but I can't say it was absolutely necessary. Temperature sensitivity naturally depends very much on the weapon and on the cartridge. Initial Load Development: 300 Winchester Magnum Project March 25, 2016 Initial load development for a long range precision rifle can take shape in a variety of ways. I never tried Rl26 or any of the others you listed DF, sorry I can't help more with that. Temp insensitive powders aren't. Hodgdon Powder Co. I would like to start developing a load for my 7mag with a 26" barrel using 160 gr. 2225 is Hogdon Retumbo and is one of their "Extreme" range of powders. 5 grains shot well, with no pressure signs, and 82 stuck the bolt. Specific cartridge loads need specific propellant to perform to their ballistic peak.