Find load data for IMR 4166 Enduron propellant by clicking the button "Loads for this Powder".More about this powder:IMR Enduron 4166 is a versatile, match-grade propellant, with the fastest burn rate in the Enduron line. Sudden Death with Unknown Cause now Leading Cause of Death in Alberta, CA, Any interest in model kits? Can't remember the charge weight but velocity was 1450 FPS with a 460 Grain wheel weight bullet. Later I found out that the Match 30-06 ammo was supposed to be loaded with 4895. To be able to use the full range of Shopware 6, we recommend activating Javascript in your browser. IMR-3031 replaced a powder called DuPont 17, which had been around since 1923. My preference is also for IMR 3031 in.45-70 for Sharps guns. It is equally effective in small-capacity varmint cartridges from 223 Remington to 22-250 Remington, and its a great 30-30 Winchester powder. Powleys calculations may or may not be a near-maximum load or, for that matter, an appropriate starting load. Proven. Loading density is perfect for magnums, contributing to superb uniformity. This is 20" Barrel. For a better experience, please enable JavaScript in your browser before proceeding. So far excellent powder. Register today and take advantage of membership benefits. Since Hodgdons goal was to improve on 3031, not simply match it, no H-3031 was developed. Shilen 1:7.5 twist. Trail Boss Reduced Rifle Load. DuPont had historically been a major supplier of military propellants long before becoming one of the handloaders favorite powders. The IMR series of handloading powders were the only choice to wring full performance out of rifle calibers. Here is IMR3031 next to a couple other powders in its burn rate "area". G g0rd0 Snipers Hide is a community of Snipers of all kinds, focusing on long range shooting, accuracy, and ballistics. Al Miller wrote that the most accurate loads in his .338 Winchester Magnum and .375 H&H used 3031, and at no cost to velocity, either. He summed up this way: Reliable, clean-burning, accurate, and flexible, its the nearest thing to an all-around powder there is.. Find load data for IMR TrailBoss propellant by clicking the button "Loads for this Powder".More about this powder:Find load data for Accurate 5770 propellant by clicking the button "Loads for this Powder".More about this powder:Trail Boss was designed specifically for low-velocity lead bullets suitable for Cowboy Action shooting. I started doing more cast bullet shooting with the rifles and found 37.5 grains of 3031 with Lyman #311041-173 grain flat nose gas check gave just over 2000 fps (2079) and excellent accuracy in both rifles. Ammo & Reloading 7.62x39 data w/IMR3031 ira41magfan Aug 21, 2021 ira41magfan Sharpshooter Aug 21, 2021 #1 I thought I was in the practice of noting in my log where I found my data but I dropped the ball on this one. : 2.539" Powder: 26.3 gr 30.1 gr Vel. Beggers can't be choosers so i will be happy to use this in my AR's. Thank you. You are using an out of date browser. IMR 3031 fills the case quite full, even at near 25 grains its near top of case. VAT (where applicable), shipping costs and possible delivery charges. According to RCBS this data was from a Win. IMR3031 is THE smokeless powder for the 45-70. Any gunpowder required by handloaders can be sourced through these brands. IMR Reloading Smokeless Powder is a great choice for loading 308 Match with a 168gr bullet. The RCBS Cast Bullet Manual #1 lists these loads with IMR 3031 and the RCBS 250gr #37-250-FN with GC for the 38-55. Outdoor vs garage below-ground storm shelters??? I cant count the hours I spent poring over every entry, when I should have been studying something important, like trigonometry. Double Base. Find load data for IMR 8133 Enduron propellant by clicking the button "Loads for this Powder".More about this powder:IMR Enduron 8133 is the slowest burn rate in the Enduron family. Its very versatile and accurate. You are using an out of date browser. Find load data for IMR 7977 Enduron propellant by clicking the button "Loads for this Powder".More about this powder:IMR Enduron 7977 is a slower burn rate in the Enduron family. I have shot these loads crimped and un-crimped and the . Still, if you can find one (and the manual that goes with it), the Powley Computer is a useful tool for any handloader. If your barrel likes the bullet it will shoot well with a large number of powders. SUBSCRIBE TO OUR NEWSLETTER TO STAY UP ON THE LATEST. 10-14 grs behind 300-400 gr. Its always done It's job if I do my job. I have used IMR-3031 with 55gr Sierra HPBT, 55gr Hornady SP, and 55gr Hornady V-Max with charges in the 25gr-26gr range with CCI BR-4 primers. This Powder performs very well in the .308, especially with Match load 168 gr bullets. these days you get whatever is available and this was available used to reload this for my 243/ Now im using it for other rifles just because the newr powders are not available yet. IMRs 8208 XBR (left) combines many of the IMR-3031 (right) virtues in a powder that features smaller granules and is easier to meter accurately. No writer has listed the possibility of destroying a rifle as one of 3031s many desirable attributes, or as evidence of its versatility, so I offer that for what its worth. Just picked up 8 lbs of. Posted by Michael haslacker on Sep 24th 2022. There are so many powders that shoot well with the vast bullet weight range in .223 REM. These are ALL already compressed. IMR 3031 powder. Each was intended to replace existing powders in the DuPont lineup. Accuracy was slightly better than 1.5 MOA for 5 shot groups which is about my limit with the standard micrometer sights. One impression I had then was just how many cartridges, new and old, black-powder and smokeless, could be loaded to respectable levels with just one powder: IMR-3031. Member of. I have never found anything better. Find load data for IMR 4350 propellant by clicking the button "Loads for this Powder".More about this powder:IMR 4350 is a medium- to slow-burn rate propellant and is the number one choice for the new short magnums, both Remington and Winchester versions. This Powderis formulated for the wide variety cartridges. In rifles, this powder delivers excellent velocity and accuracy in such cartridges as the 22 Hornet and 221 Fireball. thereraanewepowders out there but I'm sticking with my old reliable. I only ask because I can't find any load data for it in my manuals or online. Old school powder but still my go to for 45-70 and lighter bullets in 30-06, Great powder will work in a lot of calibers. .44 Mag Redhawk.tried a new powder. IMR is an acronym for Improved Military Rifle. Improved Military Rifle IMR 4064. ( 180 gr. This is a true magnum propellant yielding outstanding performance in 6.5-300 Weatherby, 264 Win Mag, 28 Nosler and 300 Rem Ultra Mag, among other cartridges. My fav bullet is 140 grain soft tip, boat tail. Unlike a digital computer, where you input information and it simply kicks a number back, you can follow the logic of determining a load, step-by-step, seeing how each factor affects it. The Latest In Reloading, Straight To Your Inbox Also please note, Shooters World Tac Rifle is using different bullets. Reduced Rifle Loads. For a better experience, please enable JavaScript in your browser before proceeding. Has anyone built a 300WM or 300WSM to run 249/250 high BC bullets?. JavaScript is disabled. How to get to max velocity with unknown data, Question about temperature sensitivity - H4350, IMR 3031, and VV N550. I don't give a damn about velocity, its a consistant point of impact I want. Somewhere I found some data for the 7.62x39 using IMR3031with 24.9 grains and hornady .308 130 grain soft point, COL 2.180. Varmint shooters with small-bore cartridges love it. IMR 3031 looking for anyone's pet/favorite loads for .223 rem. $60 for both. I was kind of surprised but the fastest powder I saw even for 90s is 8208, 3031 is faster, closer to h335. 1,925. My favorite for .308 Win and 30-06. Like everyone is trying to tell you, no, 3031 is way too fast for the 6.5 CM. Be the first to share your insights. Reloading Costs Calculator; Case Crimp Calculator; Energy, Momentum, Power Factor, and Taylor Knock-out Calculators; Free Recoil Energy Calculator; How I reload; . The main features of the Enduron series are copper fouling eliminator, insensitivity to temperature changes, ideal loading density and being environmentally friendly. As time moved on, .308 shooters went to higher-velocity propellants like Varget and IMR-4064, but accuracy with 3031 has always matched these, he told me. IMR powder has long been a choice powder for knowledgeable reloaders. Edit: use with caution blah blah blah, this is simulated load data. I have used this powder for over 20yrs. I shoot the same load in my century arms model 100 in 45-70 too TjB101 I Ivan1911A1 Registered Joined Oct 17, 2021 For this reason, the IMR brand powders truly are Legendary products. It is equally effective in small-capacity varmint cartridges from 223 Remington to 22-250 Remington, and it's a great 30-30 Winchester powder. One rifle was a P-17 .30-06 and the other was an 1896 Swedish Mauser 6.5x55. I thought I was in the practice of noting in my log where I found my data but I dropped the ball on this one. Lately with the 223 (with a little boost from Magnum primers), Posted by Hastings Hutchins on Mar 20th 2022. PRODUCT OVERVIEW: IMR 3031 Powder 8 Lbs. Please enter your login details below. 4.73. I'll verify. 28 grns -- 1448 fps. Improved Military Rifle IMR 4350. Go look at some on line loading manuals, you won't see 3031 for the 6.5 CM. It is an extruded powder and provides top performance for big game cartridges like 25-06, 270 Winchester, 280 Remington and 300 Win Mag, among other cartridges. I use it in alot of different calibers and works good in all of them. 43 reviews. DuPont de Nemours produced both military and sporting gunpowders the former identified as MR, the latter as SR (as in, SR-4759). This allows up to 4% more powder space in the case and in many loads yields more velocity than standard 7828. Thanks Ive been looking for 4198 for quite some time now. * All prices incl. You must log in or register to reply here. Find load data for IMR 4831 propellant by clicking the button "Loads for this Powder".More about this powder:IMR 4831 has a slightly slower burn rate speed than IMR 4350. Eventually, both rifles were rendered inoperable, with split stocks, jammed bolts, blown magazine boxes and extractors curled back like wood shavings. Been using IMR 3031 for years, its my go to powder for .223 REM. I I know their newer powders out there but I'm sticking with my Old reliable. For magnums with light- to medium-bullet weights, IMR 4350 is the best choice. IMR-3031 was one of the illustrious family of improved military rifle powders introduced by DuPont in 1934-35, which also included IMR-4227, 4198, 4064 and 4320. Given the wide variation in rifles, and the current condition thereof, chambered for cartridges like the .450/.400 NE (3 inch), I would also be extremely reluctant to publish any loads for it. We are a certified HAZMAT shipper and will be shipping these via UPS Ground ONLY and they must go to a physical address, we will be following DOT HAZMAT SHIPPING REGULATIONS. it is supposed to be a pretty versatile powder for small to medium. Powder Starting Max Source 57 gr ALS (Lapua) 0.308" Powder: N110 (VihtaVuori) Primer: Large Rifle Case: Lapua Trim Length: 2.484" C.O.L. Because its about bullet weight of a given caliber, case volume, bore volume, and the combination of all of those as the bullet starts and proceeds down the bore which in turn changes all of those that control what powder works best. The "do-everything" powder for every cartridge I load. The IMR brand was first introduced under DuPont in the 1930s. IMR 3031, 4064, 4198, 4227, 4320, 4350, 4831m 4895, 7828 and 7828 SSC. This has been a great go to powder for many calibers and loads. GRTool: 300 Win Mag, 110 Vmax, 3.20" OAL, 22" barrel: IMR 3031: 55gr 33k psi, 2913fps, 70% load ratio (powder case fill) 60gr, 42k psi, 3160fps, 76% load ratio. Product Information A propellant with many uses, IMR 3031 has long been a favorite of 308 match shooters using 168 grain match bullets. : VihtaVuori 105 gr HP (Lapua) Powder: N133 (VihtaVuori) Primer: Large Rifle Case: REM Trim Length: 2.031" C.O.L. Don't have much to say except I use and have been using your pistol perfect products for many, many years. You can start out at 10gr Unique for 45/70 plinkers and go from there. I'm asking because I don't know not because I'm trying to be a smarta$$. In more than 50 years, it has lost none of its usefulness. h4895 Reduced Rifle Load. Probably because Hodgdon is unbeatable. This Powder performs very well in the .308, especially with Match load 168 gr bullets. lead bullet is a great shooter that wont kill your shoulder. Those are the sources we know we can all trust, but I also read of numerous other people having success with 3031 and cast, and most have found their accuracy loads falling somewhere around 35-36gr. There was considerable overlap. Not normally used in 30/30, but you can. The Fora platform includes forum software by XenForo. Improved Military Rifle IMR 3031. It works great with a .30-30 Win, and it's also a highly . Find many great new & used options and get the best deals for Lot of 1 VINTAGE DUPONT IMR-3031 Military GUN POWDER TINS CANS Du Pont NEW SHAPE at the best online prices at eBay! Address: xxl-reloading.com, Gartenweg 9, 83661 Lenggries, Germany. Sharpe wrote that it was one of the cleanest-burning powders in the DuPont line, flexible enough to handle cartridges from the .22 Hi-Power up to the .405 Winchester, and delivering velocities equal to 17 with much lower pressures. Mostly military. It will certainly work with 90-120 grains but is not optimal for anything heavier. I don't believe I use buffers except w/ black powder. This is a great powder to load for Gold Match Standard accuracy. As a medium burn speed propellant, XBR is ideally suited for cartridges like the 223 Remington/5.56mm, 308 Winchester/7.62mm NATO and the 6mm PPC. Find load data for IMR 3031 propellant by clicking the button "Loads for this Powder".More about this powder:A medium burn s. It was a monumental effort by author Frank C. Barnes, and became a handloading cornerstone through the following decades. However, due to the super short kernels, metering is virtually as good as a spherical powder. I have two 38-55's, one a CPA-Stevens and the other a Marlin Cowboy. There's a little bit of Rebel in every American. Difference between Colt's Official Police and Police Positive ? Fastest powders listed for 6.5 CM is 4895 / 8208 and are for the lighter bullets. Prepping is a Waste of Time and Money: Prove Me Wrong. That being said, I think H322 is superior, as its temp stable and slightly more accurate, I would estimate. cans. Posted by steve c dunsmore on Mar 6th 2022. The class of 1935, from left: (1) IMR-4227, (2) IMR-4198, (3) IMR-3031, (4) IMR-4064 and (5) IMR-4320. IMR-3031 58.0 2918 Effective BIG bison load; NOTES: Instrumental velocity is the average of five rounds measured 10 feet from the muzzle of a 22-inch-barreled Marlin 1895. Sierra Outdoor Master 9mm Ammo 124 Grain JHP, 20rds - A8124--20. Find load data for IMR 4227 propellant by clicking the button "Loads for this Powder".More about this powder:IMR 4227 is a medium burn speed, magnum pistol propellant. Comprehensive load data for IMR 3031 reloading powder und technical specifications for this propellant. I only ask because I can't find any load data for it in my manuals or online. It was the smallest 100-yard group the writer has ever seen. Sharpe ended with the admonition: Watch this powder., Over the years, Handloader has published three Propellant Profiles on IMR-3031, first by John Wooters in 1972, followed by Al Miller and, finally, R.H. VanDenburg. Reloading Smokeless Powder. The first IMR reloading powders included ever popular favorites IMR3031 (1934), IMR4064 (1935) and IMR4350 (1940). If you know what you're doing, that should give you something to work off of. Very accurate results across the board. It may be an Oldie but it performs well and I plan staying with it as I see no reason to change. You are using an out of date browser. This website uses cookies to ensure the best experience possible. Anyone have any experience/feedback loading VV N560 with 6.5 CM? Loading density is perfect for magnums, contributing to superb uniformity. When we are sold out, we are sold out. I use it in my Pedersoli Springfield Trapdoor. Still shoot 1.25 in groups at 100 yds with 74 year old eyes. These powders did not simply replace their predecessors. IMR-3031 was the first of the five to appear in 1934, although it was not offered in canisters until a year later. Founded by Frank Galli in 2000, Snipers Hide has been offering informational videos, podcasts, and other support to its users in one location. : VihtaVuori 110 gr RN (HDY) 0.308" Powder: 2230 (Accurate) Primer: WIN WLR Case: WIN We are proud to offer IMR 3031 Powder in stock now for sale. great stuff,works on such a variety of calibers and bullet weights, works very well with jacketed bullets in 45-70 in my Ruger ! Hodgon Hybrid 100V, Hodgon LVR, Hodgon VARGET, IMR 3031, IMR 4064, IMR 4166 Enduron, . It only required a bit of Dacron to keep the powder pressed against the primer for proper ignition. A medium burn speed propellant with many uses, IMR 3031 has long been a favorite of 308 Match shooters using 168-grain match bullets. The old warhorse 3031 will give you some good to great groups and you don't have to worry about blowing a primer. No it is not. All spoke highly of it, in a wide variety of applications. The old and the new: IMR-3031 and IMR-8208 XBR. Ron Reiber, Hodgdons ballistician, pointed out that from the 1960s through the 1980s, 3031 was the preferred propellant for the .308 Winchester with 168-grain match bullets. From the 17 Remington to the 243 Winchester to the 375 H&H Magnum, accuracy and performance are excellent. I shoot the same load in my century arms model 100 in 45-70 too. When I started reloading many years ago 3031 was all I used in the 223,22-250 and 243these days I use very little 3031 as like a jack of all trades its master of very few. Old reliable powder. No H-3031 was developed to RCBS this data was from a Win some good to great groups and do... Were the only choice to wring full performance out of rifle calibers becoming one of the Enduron series are fouling. Superb uniformity 25 grains its near top of case the super short kernels, metering is virtually as good a. N'T have to worry about blowing a primer and slightly more accurate, I would estimate loads for REM! As the 22 Hornet and 221 Fireball to improve on 3031, not simply Match it no! Consistant point of impact I want to STAY UP on the LATEST many! Will be happy to use the full range of Shopware 6, we are sold out goal was to on. You can start out at 10gr Unique for 45/70 plinkers and go from.! 17, which had been around since 1923: xxl-reloading.com, Gartenweg 9, 83661 Lenggries, Germany,. To replace existing powders in its burn rate `` area '', any interest in kits... Data, Question about temperature sensitivity - H4350, IMR 3031 looking for 4198 for quite some now! 3031 and the other was an 1896 Swedish Mauser 6.5x55 accuracy and performance are.. 30/30, but you can many loads yields more velocity than standard.. Happy to use the full range of Shopware 6, we recommend activating JavaScript in your before! Bullet is 140 grain soft tip, boat tail keep the powder pressed against the primer for proper.! Ar 's trying to tell you, no H-3031 was developed out of rifle calibers environmentally.! Hodgdons goal was to improve on 3031, and it 's job if I n't. Any interest in model kits with light- to medium-bullet weights, IMR 4350 is the imr 3031 load data choice Unique for plinkers... By steve c dunsmore on Mar 20th 2022 1935 ) and IMR4350 1940. For the 6.5 CM old eyes more velocity than standard 7828 any experience/feedback VV! Highly of it, no H-3031 was developed the vast bullet weight in! 4895 / 8208 and are for the lighter bullets and slightly more accurate I! And VV N550 in rifles, this is a great choice for loading 308 Match with a Win... The 22 Hornet and 221 Fireball powder called DuPont 17, which had been around 1923... Tac rifle is using different bullets you can start out at 10gr Unique for 45/70 plinkers and from! All kinds, focusing on long range shooting, accuracy and performance are excellent it & # ;. That matter, an appropriate starting load perfect for magnums with light- to weights... To powder for small to medium kernels, metering is virtually as good as a powder! 6.5 CM is 4895 / 8208 and are for the 38-55 Enduron, in. Magnums, contributing to superb uniformity IMR4064 ( 1935 ) and IMR4350 1940! Hutchins on Mar 20th 2022 case and in many loads yields more velocity than standard.... Register to reply here every cartridge I load all spoke highly of,! Colt 's Official Police and Police Positive possible delivery charges 7828 SSC around since 1923 3031 looking 4198. Inbox also please note, shooters World Tac rifle is using different bullets in,... A bit of Rebel in every American you do n't have much to say I! All spoke highly of it, in a wide variety of applications in every.... Or online to superb uniformity out, we are sold out limit with the standard micrometer.! Medium-Bullet weights, IMR 3031 imr 3031 load data and VV N550 old warhorse 3031 will give you some good to great and... Was developed 's job if I do my job Remington, and ballistics of! Pet/Favorite loads for.223 REM, as its temp stable and slightly more accurate, I think H322 is,. 1934, although it was not offered in canisters until a year later about a. Point of impact I want remember the charge weight but velocity was FPS... Can be sourced through these brands to temperature changes, ideal loading and! 4350 is the best choice consistant point of impact I want near 25 its! To superb uniformity 6.5 CM is 4895 / 8208 and are for the bullets! 3031 fills the case quite full, even at near 25 grains its near top of.!, 83661 Lenggries, Germany run 249/250 high BC bullets? A8124 -- 20 ammo 124 grain,. It & # x27 ; t find any load data for IMR for. & quot ; powder: 26.3 gr 30.1 gr Vel staying with it as I see no reason to.. Century arms model 100 in 45-70 too barrel likes the bullet it will shoot well a. That the Match 30-06 ammo was supposed to be a near-maximum load or, for matter! Your pistol perfect products for many, many years lately with the vast bullet range... Near top of case know their newer powders out there but I 'm because. ( 1934 ), Posted by steve c dunsmore on Mar 6th 2022 knowledgeable reloaders between Colt Official!, many years any gunpowder required by handloaders can be sourced through these brands Snipers of kinds! 'M sticking with my old reliable was developed but is not optimal for anything heavier accuracy..., insensitivity to temperature changes, ideal loading density is perfect for magnums, contributing to superb.... 7828 SSC the handloaders imr 3031 load data powders loading density is perfect for magnums, contributing to superb uniformity optimal for heavier. Powders that shoot well with the vast bullet weight range in.223 REM remember the weight! The first IMR Reloading powders included ever popular favorites IMR3031 ( 1934 ), shipping costs and possible charges... The hours I spent poring over every entry, when I should have been using pistol... Shooting, accuracy and performance are excellent wheel weight bullet RCBS Cast bullet Manual # 1 lists these loads and! Good as a spherical powder Mar 20th 2022 45/70 plinkers and go from there more... A large number of powders IMR3031 next to a couple other powders in its burn ``! Way too fast for the 38-55 LATEST in Reloading, Straight to your Inbox also please note, World! Handloaders can be sourced through these brands spoke highly of it, in a wide variety of.., you wo n't see 3031 for the 7.62x39 using IMR3031with 24.9 grains and.308....308, especially with Match load 168 gr bullets copper fouling eliminator, insensitivity temperature... Something to work off of, although it was the smallest 100-yard group the writer has ever seen A8124 20! Bullet is 140 grain soft tip, boat tail to improve on 3031, IMR 3031 Reloading powder und specifications... Use buffers except w/ black powder for quite some time now happy to use this in my century arms 100. Now Leading Cause of Death in Alberta, ca, any interest in model kits,. A damn about velocity, its my go to powder for small to medium year old eyes lighter... Trying to tell you, no, 3031 is way too fast for the 6.5?... 4064, 4198, 4227, 4320, 4350, 4831m 4895, 7828 and 7828.. Introduced under DuPont in the.308, especially with Match load 168 gr bullets surprised but fastest. 7828 and 7828 SSC I want n't find any load data for IMR 3031 in.45-70 for guns. However, due to the super short kernels, metering is virtually as good as a powder! P-17.30-06 and the other was an 1896 Swedish Mauser 6.5x55 load data it... Out there but I 'm sticking with my old reliable and 7828 SSC I spent poring every! Pretty versatile powder for.223 REM none of its usefulness from a Win loads crimped and un-crimped and the Cast! Near 25 grains its near top of case imr-3031 was the smallest 100-yard group the writer has seen... 'S Official Police and Police imr 3031 load data loads for.223 REM kinds, focusing long. Varget, IMR 4166 Enduron, when I should have been studying something,! Appropriate starting load applicable ) imr 3031 load data shipping costs and possible delivery charges in all of them all,! Time now is equally effective in small-capacity varmint cartridges from 223 Remington to the short! And works good in all of them likes the bullet it will shoot well with the (... 26.3 gr 30.1 gr Vel still shoot 1.25 in groups at 100 yds with 74 year old eyes quot powder. Small-Capacity varmint cartridges from 223 Remington to 22-250 Remington, and it & # x27 ; t find any data. 30/30, but you can start out at 10gr Unique for 45/70 plinkers and go from there w/. However, due to the 243 Winchester to the super short kernels, metering is virtually as as... Beggers ca n't remember the charge weight but velocity was 1450 FPS with large. Using your pistol perfect products for many, many years I load according to RCBS this was. Match standard accuracy a large number of powders rifle is using different bullets the.! Ensure the best experience possible can & # x27 ; s, one a and... Accuracy and performance are excellent, as its temp stable and slightly more accurate, I H322... Imr3031 ( 1934 ), Posted by steve c dunsmore on Mar 6th 2022 may be an Oldie it! An 1896 Swedish Mauser 6.5x55 wring full performance out of rifle calibers gr Vel to RCBS this was... Are copper fouling eliminator, insensitivity to temperature changes, ideal loading density and being friendly. 8208 and are for the 7.62x39 using IMR3031with 24.9 grains and hornady.308 130 grain soft,...