Imr 4064 Temperature Sensitivity

Bottom line: right out of the box, it delivers 0. I have been using Alliant Reloder 19 and Reloder 22 along with IMR 4350 and 4198 for several years. IMR 4166 performed very similar to Varget, and proved to be fairly insensitive to large swings in temperature. 5GRS IMR 3031, Hornady 150gr fmj. cartridge capacity and chamber volume to bore diameter ratio have nothing to do with powder suitability. IMR stood originally for "Improved Military Rifle" and the powders were used very extensively in them. 56mm, 308 Winchester/7. 223 Remington,. 30-06 and bl-c2. But heat and cold still play a role in how much pressure powders produce when ignited. He told me the IMR 4064 worked in it and that is what he set the loads with. As an aside, I also tested some of the new 4166 which is REALLY close to 4064, and is basically supposed to be a CFE and Temp stable version of 4064, I was halfheartedly hoping for a good alternative to Varget for my 73gr 223 load, but it was about 200 fps slow when I started hitting pressure as compared to Varget. Works great on. If Temp wasn't an issue, probably jsut Varget & RL-19, but Temp Sensitivity is an issue for me. You will be surprised to determine how convenient this product can be, and you will feel good realizing that this Imr 4064 Powders Imr Powders is among the best selling item on today. Carefully review your final order to ensure you will be receiving your desired powder type. By the same token, I'll also agree that H-4831 (even the old WWII surplus stuff that was uncoated) is less temp-sensitive than IMR-4831. Apparently, it a short stick extruded powder. 20 Caliber. A A John Barsness few weeks ago, a reader noted that it had been eight years since an article entitled “Handloads That Work” appeared in these pages – a list of handloads that had shot pretty darn well in a variety of rifles chambered for the same cartridge. 308 Win loads If this is your first visit, be sure to check out the FAQ by clicking the link above. BLC2, H414, 4064, and 3031 are old and more temp sensitive powders, but are other options in a real pinch. In the line of fine propellants by IMR, this powder is the latest. 62 NATO Long Range Match Cartridges - Part 2 The result, when it was standardized as the MK316 Mod 0 cartridge, sigtalk. 62 loads? Load is for M1A, CCI #34, 41. Not by a wide margin at all, but they were the clear winners for tightest 3 and 5 shot groups. I will call in short name as Imr 4064 Powders Imr Powders For those who are looking for Imr 4064 Powders Imr Powders review. Temperature sensitivity naturally depends very much on the weapon and on the cartridge. It is less temperature sensitive than most of the other IMR powders. Hodgdon H414? This is a discussion on Hodgdon H414? within the Reloading forums, part of the Firearm Forum category; Anyone have experience with this powder? I was looking up loads for 300 WinMag and thus far, its the most economical. 308 168gr Match Grade Recipes Ammo and IMR 4064, and IMR 4895. This is a discussion on Temperature Sensitivity within the Ammunition forums, part of the M14 M1A Forum category; Morning guys, I've been thinking and done some internet searches. Temperature Sensitivity. The case has ample capacity to drive the heavy 30-caliber bullets, and with proper case prep and annealing, the WSM is capable of outstanding accuracy. You need that. Now before you turn into King Kong and start beating on your keyboards or smart devices, hang on just one minute…yes you certainly can use those other spherical and ball powders that are more temperature sensitive like the Alliant Reloader 15, Vihtavuori N140, IMR 4064, Accurate 2520 ,a nd etc. 64 rounds with IMR 4895 and 64 rounds with IMR 4064. Carefully review your final order to ensure you will be receiving your desired powder type. 308 powder that is not overly temp sensitive and doesn't vary from lot to. Imr 4895 - Excellent results for me. Rifle Cartridges. 22-250 Remington,. 5 Creedmoor loads were tested in the two factory guns currently chambered for the cartridge: the Tubb 2000 match. 308 Berger classic hunting bullets?Less temp sensitive? 6 comments. My T3x SL 7-08 likes Varget w/ 140 Accubonds and IMR 4064 w/Sierra 140s. If you test in cool weather loads that are to be used in hot summer months, and you see serious cratering, you can count on pierced or blown primers (primers that unseat). History of the venerable M118 ammunition. Their data showed the most temperature sensitive powder in their test to be IMR 4895, not a ball powder. I have excellent results with IMR-4895 with 168 grain bullets. IMR 4064 Temperature Sensitivity. ) Is it temperature sensitive? 3. The lack of temperature sensitivity is what I've noticed most about Varget, too. Ma r c h 2009 aM e r i c a n rifle M an Factory Ammunition Test-Fire Results Both 6. IMR-4895 for a 168gr. I was hoping to be able to use IMR 4064 because I use that for my Eddystone reliably, but it was not in the cards. IMR 4350 TM SR4756 TM SR4759 TM IMR 4831 TM IMR 4895 TM SR7625® IMR 3031TM IMR 4007SSC TM IMR 4064® IMR 4198 TM - Canada IMR4227 TM - Canada IMR 4320 TM Single Base Powders SAFETY DATA SHEET March 2015 The following smokeless powders are distributed by IMR Legendary Powders. Many of the older powders are temperature sensitive which can cause a change of impact in some hunting situations. This make’s it versatile enough to load. When you develop loads in the winter, be careful. IMR 4451 had the largest swing in muzzle velocity of the powders. 243, with 95gr BT's and a charge of 45grs, with magnum primers I only lost 30fps between 80 degrees and 35 degrees. Water can be used from a distance. By Doc Beech When reloading you should be asking yourself a couple of questions about your powder. 308/30-06 Reloading This is a discussion on 308/30-06 Reloading within the Reloading forums, part of the Firearm Forum category; I just started reloading at the turn of the new year. Fired a few today, weather about 15-20 degrees warmer, rounds felt 'harder' than I remembered, still. Varget was just not as sensitive to temperature. 250-3000 Savage,. I noticed that IMR 4064 was temp sensitive using 110gr bullets in my 30-30. military's "Cartridge, Caliber 7. H4895 is relatively insensitive to temperature changes and produces very consistent velocities and pressures across the temperature spectrum from 0 to 125 degrees Fahrenheit. The propellant's noticeable muzzle flash and temperature sensitivity led to the development of the MK 316 MOD 0 for Special Operations use. The fly in the ointment is that 4064 is more temperature sensitive than some of the modern powders. And good to hear that IMR 4064 is a good powder as well. 308win 168gn Nosler ballistic silver tip). R19 meters beautifully and is just a hair slower than IMR 4350. The other IMR powders are a bit more temperature sensitive but not as much as ball powders. For heavier bullets IMR 4064 and Varget are better. in cooler temps it grouped very well but opened up on very hot days at the range. 22 Caliber. Federals Ammuntion Plant uses IMR-4064 and has done so for many years, LCAAP used RL-15. 30-30WCF and similar. save hide report. I like my H4895 and H4350 and IMR 8208 and the standby IMR4064. Select a Weapon Type and a Caliber then click Search to view Results. When Varget first came out it was said that the burn rate and pressure curve was the same as IMR 4064. I have only used IMR7828 enough to get a good idea of what it will do, and I have found it to be very stable in varying temps. It'll work in either cartridge but as mentioned you won't get velocities you can from other powders. IMR is some good powder, and I think it will do just fine. 22-250, you have a huge selection of good medium burn-rate powders, but we like the new IMR-8208 XBR powder and H-4895 because they deliver great accuracy and they are not temp sensitive. The other IMR powders are a bit more temperature sensitive but not as much as ball powders. IMR 4064 is a stable powder and I would not bother too much. Now before you turn into King Kong and start beating on your keyboards or smart devices, hang on just one minute…yes you certainly can use those other spherical and ball powders that are more temperature sensitive like the Alliant Reloader 15, Vihtavuori N140, IMR 4064, Accurate 2520 ,a nd etc. Staying with that mid burn rate powder for good results with the Garand. I don't load 308 but a friend is about to start. T-shooter, Sep 1, 2017. An example of that is in a. Whether you're new to reloading or a seasoned vet, there's always something more to learn. 308 Winchester,. Loading density is perfect for magnums, contributing to superb uniformity. Depends on what exactly the OP is doing here, IMR 4198 looks like a good choice for cast lead bullets to me and temperature sensitivity isn't that much of an issue in coastal Georgia unless it's heat! Lyman's 49th doesn't address H-4198 for cast lead in any of the calibers mentioned so that settles the issue as far as I can tell. I know there's probably lots of information out there on the sensitivity of different powders and there is on many of the Hodgdon Extreme line of powders but I was really interested in IMR 8208 XBR as it really shot well for me in my. You need that. I know that'll reduce my case capacity but I'm going for a broad range first and will narrow it when I find what my gun likes. IMR and Alliant powders can get pretty sensitive,Hodgdon Extreme powders are all pretty temperature stable. 7 grain difference in IMR 4064 to achieve the same results at different temperatures. 243 Winchester Super Short Magnum,. In the line of fine propellants by IMR, this powder is the latest. 308 Winchester,. Here's the IMR-3031. Several years back Hodgdons did a velocity spread test from 0-125 F on 7. I know that’ll reduce my case capacity but I’m going for a broad range first and will narrow it when I find what my gun likes. IMR 4166 is a positively versatile, match grade propellant. I have heard rumors that IMR-4064's flash retardant was reformulated/updated. Reviews Imr 4064 Powders Imr Powders is best in online store. Irish, Nov 26, 2013. 220 Swift, 6mm Remington,. Book Summary: The title of this book is Propellant Profiles (Revised and Expanded) and it was written by Wolfe Publishing, Wolfe Publishing Company (Editor). Loads have been developed and refined for the. If you control for barrel temp, and only test powder temp sensitivity, then you see that most extruded single base powders are fairly "temp insensitive" compared to double base powders, which is why the Navy changed the powder for Mk316 Mod0 to IMR 4064, because it was more "temp stable" than Reloader 15. Federal recomended IMR-4064. I began with 45 Colt and it's going well. I have a DPMS LR-308B. I currently use IMR 4064 for my reloading (. IMR describes IMR 4320 as follows: Short granulation, easy metering, and perfect for the 223 Remington, 22-250 Remington, 250 Savage and other medium burn rate cartridges. 38 Special, 9mmP, and. You may have to register before you can post: click the register link above to proceed. IMR-4895 for a 168gr. Production of IMR Powders dates back over 200 years when the company was originally founded by E. Sensitivity to mechanical impact or to static discharge:. Hodgdon H414? This is a discussion on Hodgdon H414? within the Reloading forums, part of the Firearm Forum category; Anyone have experience with this powder? I was looking up loads for 300 WinMag and thus far, its the most economical. Disadvantages of IMR 4064: Difficult to measure almost to the point of frustration. IMR 4064 did however shoot like a house a fire with the 70's and the 80's along with Win 760. NOTE: The military ammunition below was loaded with RL15 powder "BUT" in the heat of Iraq and Afghanistan the ammunition proved to be inaccurate due chamber pressure changes with temperature. Varget is much superior on both counts, and also produces excellent accuracy with 150-188 grain bullets, in my experience with several. I bought some buy mistake. cartridge capacity and chamber volume to bore diameter ratio have nothing to do with powder suitability. 25 MOAone click on my scope and then all shots in the cold went to point of aim. Cartridge, Caliber 7. I've used it in two. If you work a load up when it is cooler outside,you may have high pressure problems when it is warm. I was into long range shooting and I could zero my rifle on the hottest summer day and still hit the same POI on the coldest winter day. resistant powders. it would be H4350 because it is a very temperature. 223 Remington,. …cheap or mixed ammo never plays well in any rifle if you’re looking for accuracy, and my VTR likes 165-168 gr bullets, loaded w/ 0. IMR 4064 did however shoot like a house a fire with the 70's and the 80's along with Win 760. Reloading cartridges can be dangerous. 375 H&H Magnum. Also, I've read that H335 is temp sensitive but I haven't done any testing across seasons yet. So my questions are: 1. IMR Enduron 7977 is one of the slower burn rate propellants in the Enduron family. 62x51mm using a 168gr OTM bullet. This is a discussion on Temperature Sensitivity within the Ammunition forums, part of the M14 M1A Forum category; Morning guys, I've been thinking and done some internet searches. My T3x SL 7-08 likes Varget w/ 140 Accubonds and IMR 4064 w/Sierra 140s. You may have to register before you can post: click the register link above to proceed. But heat and cold still play a role in how much pressure powders produce when ignited. This product is explosive and will ignite at high temperature, with an open flame or with a spark. IMR 4166 is probably too slow and bulky for our little 6. 2 Powders Accurate Powder Accurate No. An example of that is in a. Does anyone have a pet IMR 4064. It's hard to beat IMR-4064 in 308 Winchester, and it is temperature insensitive as the Hodgdon "Extreme" powders. It will fit applications similar to Hercules Reloder 12, IMR-4895 or IMR 4064. Not true! It is temp sensitive, but that is on the heat side, not freezing. 62mm NATO, 22-250 Remington, 257 Roberts and dozens more. A 40 degree drop in temp and I'm seeing 150+ fps drop with 1200R, 80 with CFE and AA2200. I began with 45 Colt and it's going well. Encore rifle. save hide report. 323) round nose cast bullets (with and without gas checks) using IMR 4064 powder and Unique in my 1945 model Turkish Mauser and in my M48 Yugo Mauser. Following the advice from a later post I decided to give RL 15 a try with the 175 MK :D At 41 grs -not too bad at 100 42 grs - Excellent at 100 and around 1/2 inch at 200 yards 43 grs- Excellent at 100 and a little bit less than (. IMR 4064 was THE powder for the. It meters well for it's size and load densities in my cases are near. I have been using Alliant Reloder 19 and Reloder 22 along with IMR 4350 and 4198 for several years. With Reloder 17 reloaders have a powder that meters easy and consistently while providing maximum velocity even in extreme weather. I'm curious if anyone has some actual data on the velocity vs temperature. IMR describes IMR 4320 as follows: Short granulation, easy metering, and perfect for the 223 Remington, 22-250 Remington, 250 Savage and other medium burn rate cartridges. For the 50-60 grain bullets most commonly used in. 22-250 with great velocities but I couldn’t find any good data on it, just many saying that it’s pretty temperature insensitive. is substituting IMR powders wherever possible, so there are a lot more tubs of the IMR versions of 4895, 4350, and 4831 arriving. IMR 4064 would shoot maybe 1/2 to 3/4" low from hot to cold but groups stayed tight. Kester Price inserts his opinion that H4895 is a better option, despite H4895 having essentially the exact same pressures has H335 because they are very similar in burn rate (although NOT similar in temperature sensitivity) although H4895 is listed as even slower by a few ticks than H335. Advantage IMR 8208 XBR ! Let's review—perfect temperature sensitivity, perfect burn rate, perfect loading density, perfect metering, perfect uniformity/accuracy—PERFECT POWDER!. I have had very good luck with it in the 30/06, 7x57mauser, 6. It should even work well for this load for the Garand rifle. IMR 4166 – is the first in the series of Enduron propellants. Hornady V-Max bullet. It will fit applications similar to Hercules Reloder 12, IMR-4895 or IMR 4064. Varget is a great powder with lots of history, but 8208 is performing better for me than Varget, Benchmark or IMR 4895. The IMR powder does not have the same technoligy as the Hodgdon Extreem. What is my average variation (fps per degree shift)? 4. IMR 4064 has been an old friend in my reloading room for a long, long time, since the beginning days 25 years ago. 56mm, 308 Winchester/7. On Hodgdon's site, it looks like in some loads, 4166 created more chamber pressure and less velocity. 56mm, 308 Winchester/7. 308 Win, Vortex Viper PST 4-16 Target distance: 100 yards. And I agree that the IMR series of powders can be temperature sensitive. 62x51mm using a 168gr OTM bullet. Appreciate any input. The Rifle: Savage 10fcp, 24" 5r, accustock. Reviews Imr 4064 Powders Imr Powders is best in online store. copper cleaning (CFE anybody?) than beating a load that gives external ballistics as good as any and better than many. IMR 4895 and IMR 4064 are very close in speed, with 4895 usually considered slightly the faster. Those looking to load for intermediate calibers are in luck as well, since 4166 has a similar burn speed to that of 4064 or Varget. I never found the temperature thing was a problem with 4064. It's a bit on the "dirty" side, but not anything major. Temperature sensitivity of IMR-4064 should be no problem if you get the rifle zeroed at about the same temperature as your hunt will be. IMR 4064 is a stable powder and I would not bother too much. Since he'll be confining himself to 250 yards, is the temperature sensitivity enough to possibly matter?. If you want a top velocity in the 45-70, a case full of 4198 and a 400 grain bullet will not disappoint. So-called "temperature insensitive" powders suddenly are all the rage now and all kinds of tests are being run by gun writers on them. 30-06 Springfield,. 250-3000 Savage,. IMR 4451, how does it stack up against Hodgdons 4350? As a guy who only reloads. 175 SMK, Fed 210M, Hornady brass, 41. 22-250: IMR-3031 for a. NlAP 1700 C (approx. Also, temperature sensitivity of powders is also dependent on the application. IMR 4895 and IMR 4064 are very close in speed, with 4895 usually considered slightly the faster. 308, it is an excellent powder. Loading density is perfect for magnums, contributing to superb uniformity. There was a presentation several years ago that outlined the development of a new 7. I was into long range shooting and I could zero my rifle on the hottest summer day and still hit the same POI on the coldest winter day. All powders are temperature sensitive, but in my experience 8208 is the least sensitive of all powders available when it first came out. A friend just gave me a box of Speer 150 gr SBT's that I may try. I'm not saying imr is better that hodgdon, I'm saying they are the same. The Accurate brand does run a bit cheaper than the IMR brand does (about $5. I've used alot of RL-15, 4895, 4064 for the 150 grain load in the '06 and Varget is very close to 4064 in burn rate. I started out with IMR 4064 and 55 gr Ballistic Tips, but couldn't get groups under an 1". 308 using both H4895 and IMR 4064. It needs to be in the range of those two powders. Anyone experience temp sensitivity with IMR 3031 in. Apparently, it a short stick extruded powder. IMR 4064 Temperature Sensitivity - SIG Talk The Rifleman's Journal: Cartridges: 7. I printed a chart off of Hodgens & they list 4064 at 41. Some people are want to buy Imr 4064 Powders Imr Powders at the cheap price. IMR-4064 is one of my favorite powders. I'm getting ready to reload cartridges for the first time, and am trying to decide what powder to start with. 7 grain difference in IMR 4064 to achieve the same results at different temperatures. 25 MOAone click on my scope and then all shots in the cold went to point of aim. Probably the most versatile powder IMR makes, 4064 delivers extremely consistent accuracy, shot to shot. On Hodgdon's site, it looks like in some loads, 4166 created more chamber pressure and less velocity. Great powder for short-barreled, concealed carry handguns like the. Is my powder choice temperature insensitive? 3. Would it be reasonable, if I were to switch, to start with a developed load on IMR 4064 and maybe only need to tweak it? I'd rather not start from scratch. Varget was designed around 150gr bullets, in the 308 Win. I would say they may both burn a tad cleaner also, but that is open to debate. I really like IMR 4064 from a velocity and accuracy perspective. Primarily I use IMR4064 in my range loads 30-06. Has to be weighed, won't throw from a dispenser to any reasonable consistency. Hodgdon Varget was the second least temperature sensitive powder in this test, with 46 fps of variance in muzzle velocity between temperatures of 25° F and 140° F. 223 & imr 3031 Reloading Bench. 239″ for perfect depth into the cases. This consistent performance is what reloaders have come to expect from Alliant Powder - and Reloder 17 proves worthy. IMR 4064 - One of the most versatile propellants in the IMR line, used for. 7 grain difference in IMR 4064 to achieve the same results at different temperatures. The big question mark is for IMR 4064 which I just picked up for the 308 stick and have not reloaded at all yet. If I use the old IMR 4064 I keep my group size no matter the temps 17 to 100 they stay the same. IMR 4064 would shoot maybe 1/2 to 3/4" low from hot to cold but groups stayed tight. Loads have been developed and refined for the. IMR and Alliant powders can get pretty sensitive,Hodgdon Extreme powders are all pretty temperature stable. 62mm, NATO, Frangible, M160 (United States) : 108. Ive heard some say 4166 is similar to 4064, which I haven't used or have on hand currently. April 11th, 2012, 08:52 AM. The fly in the ointment is that 4064 is more temperature sensitive than some of the modern powders. The fastest burning of the four, IMR 4166, will give a burn rate in the range of VARGET and IMR 4064; perfect for the. For now I'm just sticking with Varget. 0 IMR 4064 185 Berger Juggernaut 42. Thanks, JR. copper cleaning (CFE anybody?) than beating a load that gives external ballistics as good as any and better than many. 5GRS IMR 3031, Hornady 150gr fmj. better then anything else. Kester Price inserts his opinion that H4895 is a better option, despite H4895 having essentially the exact same pressures has H335 because they are very similar in burn rate (although NOT similar in temperature sensitivity) although H4895 is listed as even slower by a few ticks than H335. While there are a number of good powders for them my go to powder is either IMR 4198 or Hodgdon 4198. 5 to 42 grains with 175 SMK. T-shooter, Sep 1, 2017. R19 meters beautifully and is just a hair slower than IMR 4350. To put this in some perspective, H4350 was 4 fps, best and IMR 4895 was 166 fps, worst. ) N/AV NIAV YES t8J NO 0 Heat, open flame, static discharge and impact. 100% Upvoted. 41 Ramshot True Blue 91 IMR 4895 141 Hodgdon H1000 42 Accurate Arms No. 308 bullets up to 175 gr and. Water can be used from a distance. If you want a good. Shooting in the 70s and 80s now, likely be 30s - 40s in the Big Horns next month. I currently use IMR 4064 for my reloading (. save hide report. 223 bullets up to 73 gr. So-called "temperature insensitive" powders suddenly are all the rage now and all kinds of tests are being run by gun writers on them. I was hoping to be able to use IMR 4064 because I use that for my Eddystone reliably, but it was not in the cards. 308 Win, Vortex Viper PST 4-16 Target distance: 100 yards. Production of IMR Powders dates back over 200 years when the company was originally founded by E. I also found that the rifle shot my M1A loads well. I contacted Hodgdon about this and was told by them that Varget and 4064 for all practical purposes was the same in all respects. 30-06 Springfield, yet working very well in the. IMR and Alliant powders can get pretty sensitive,Hodgdon Extreme powders are all pretty temperature stable. I would say it would be a good powder for that combo. Wouldn't call that nostalgic. 220 Swift, 6mm Remington,. IMR describes IMR 4320 as follows: Short granulation, easy metering, and perfect for the 223 Remington, 22-250 Remington, 250 Savage and other medium burn rate cartridges. Powder, Reloading, including Hodgdon Extreme H4350 Rifle Powder 1 lbs, Hodgdon Extreme Varget Rifle Powder 8 lbs, Hodgdon Extreme Varget Rifle Powder 1 lbs, Hodgdon CFE 223 Spherical Rifle Powder 8 lbs. As I researched I came across AA 4064. 220 Swift, 6mm Remington,. Select a Weapon Type and a Caliber then click Search to view Results. IMR-4064 is one of my favorite powders. It should even work well for this load for the Garand rifle. 7 IMR 4064 All Federal primers and military brass except 185 Berger load, which I load with Lapua brass. Federals Ammuntion Plant uses IMR-4064 and has done so for many years, LCAAP used RL-15. I know reloading data isnt interchangeable between the two, but I was wanting to know if any of you all have used both of these brands. I do have to try and remember that temperature sensitivity is not an issue to many folks around here as it's not real prevalent until you get beyond 600 yards. They work in application specific purposes. IMR-4064 is about the least temperature sensitive powder available. Irish, Nov 26, 2013. Thanks, JR. in cooler temps it grouped very well but opened up on very hot days at the range. IMR-4064 seems do well but is temperature sensitive. An example of that is in a. Heavy loads developed in the spring, can lock up a rifle in the summer - and point of impact will change through out the seasons. Lastly, for extra caution of pressure problems, I take ‘all my bullets’ with Hollow Points, and I carefully shave the tips with a fine file so all will be the exact same length of 1. Here's an article with some testing of powder temperature sensitivity (Varget is one of the powders): Powder Temp Stability: Hodgdon Extreme vs. If Temp wasn't an issue, probably jsut Varget & RL-19, but Temp Sensitivity is an issue for me. The one problem with IMR-4350, however, is that it tends to be relatively temperature-sensitive. 62 loads? Load is for M1A, CCI #34, 41. I noticed that IMR 4064 was temp sensitive using 110gr bullets in my 30-30. Temperature sensitivity works "both" ways. Imr 3031 - Good - but didn't give it a really fair testing. 308 before Varget and ReLoader 15. As the name implies, this new generation Extreme Extruded rifle propellant is a clean burning powder designed expressly for the 50 caliber BMG cartridge. I must have missed something as I never knew 4064 to be described as temp sensitive. The MK 316 MOD 0 cartridge was developed to replace the M118 LR, by providing greater accuracy and less temperature sensitivity. Reloading for the. 3 and IMR 4064 around. 62 NATO Long Range Match Cartridges - Part 2 The result, when it was standardized as the MK316 Mod 0 cartridge,. Accuracy Nodes in Rifle Handloading, Staying Safe When Finding the Sweet Spot Posted on June 2, 2017 by rthtgnbs A standard reloading technique for creating safe ammunition is to start off with a “ladder charge” that starts at the “starting charge weight” and works up to the “max charge weight” in 0. Order your individual Imr 4064 Powders Imr Powders from this level. We did a lot of testing two summers ago with Extreme powders, mostly Varget pushing 55 grain VMax's from. perhaps 150 or 180 grains. Varget is a great powder with lots of history, but 8208 is performing better for me than Varget, Benchmark or IMR 4895. 308 load? then RE15, now its 4064 again i believe because it is less sensitive to temp change than RE15. I'm looking for powders for both handgun and rifle (bolt and AR) that are stable, present low flash and are temperature insensitive. I find little difference between 4064, Varget and Rldr 15 when accuracy or velocity is involved. This is a discussion on Temperature Sensitivity within the Ammunition forums, part of the M14 M1A Forum category; Morning guys, I've been thinking and done some internet searches. Temperature sensitivity of IMR-4064 should be no problem if you get the rifle zeroed at about the same temperature as your hunt will be. So my questions are: 1. IMR Enduron. You may have to register before you can post: click the register link above to proceed. I've got a pound of cfe223 and 4895. 243 Winchester Super Short Magnum,. Hodgdons data was on their website but has since been removed. Powder works both well and as a bonus works well in straight cases such as the 45-70. resistant powders. 2 Powders Accurate Powder Accurate No. 270 and sometimes 30-06, finding h4350 has been like a second job. For the light 35-45 grain bullets, H414, IMR-3031, and H322 are good choices (though there are many others).