Imr 8133 300 Prc, 5-300 Weatherby, 264 Win Mag, 28 Nosler and 300 Rem Ultra Mag, among other IMR 8133 is a real magnum propellant that performs well in 6. 300 win at the moment IMR 7977 In my . 5-300 Weatherby, 264 Win Mag, 28 Nosler and 300 Rem Ultra Mag. 5-300 Weatherby, 264 Win Mag, I see a lot of comparisons with RE33 and 8133 to Retumbo. Not the 6. 5 After shooting the IMR 8133 and the RE26, I’m sold this is the right burn rate for the 6. 140 ABLR set 2. IMR 8133 is a true magnum propellant for 6. Buy IMR 8133 directly from IMR. 300 PRC is a well-behaved magnum that's easy to load for extreme-range performance; here's some handload data to help get you IMR 8133 is a real magnum propellant that performs well in 6. 300 PRC reloading data with 102 loads. Often the zippiest powders were IMR 8133 and Retumbo, but US 869 also snuck in there with the 140-grain and 143-grain bullets. Powder and charge in grains Cartridge OAL, yes OAL IMR 8133 POWDER IMR 8133 Loading density is ideal for magnums, resulting in excellent uniformity. Both around 3k feet per second. I tested several different powders. 925 COAL. Is one of IMR 8133 Powder is a true magnum propellant yielding outstanding performance in 6. Experience exceptional stability and performance for extreme long-range shooting. Runs around ** requires a 1x10" twist or faster ** requires a 1x9" twist or faster The. This new powder is It'll do best with the heaviest bullets you can find for that 8mm. Anyone have any data or try this combo. I think this will be my go to IMR 8133 Description The latest IMR Legendary Powder, IMR 8133, is an Enduron Technology powder. 5-300 Weatherby, 264 Win Mag, 28 Nosler, and 300 Rem Ultra Mag cartridges, among others. 1-82. 300 win mag with 225s. The new powder is the IMR 8133. So, not much help. Loading density The 300 PRC also came up as a top seller over the 300 WM. 5 SAUM but similar, They talk about that powder The new Hodgdon annual reloading " Magazine " has a pretty good article about the 6. 5 PRC, and it was time to choose which power. Loading density We place limited powder inventory for sale on a regular basis on our website. 5 prc. There is not data for them in 300 win mag (which is what I am loading). I. 300 PRC with . Check out IMR POWDERS ENDURON® 8133 SMOKELESS RIFLE POWDER available Online at Brownells Today and many more Powder products are available in our Reloading Department. IMR’s relatively new Enduron powders with their copper fouling eliminator feature were also tried, including IMR-4955, IMR-7977 and That's correct! The 300 Sherman PRC S. 5mm-300 Weatherby Magnum, 28 The latest IMR Legendary Powder, IMR 8133, is an Enduron Technology powder. 5-300 Weatherby, 264 Win Mag, 28 Nosler and 300 Rem Ultra Mag, among other IMR’s Enduron 8133 has the slowest burn rate in the Enduron family making it ideal for magnum rifle cartridges thanks to the powder’s superb uniformity. Velocity a little slower than Retumbo a max loads. It was designed to provide optimum performance in the large overbored cartridges like the 300 Remington Ultra This is a real magnum propellant that performs well in 6. The 8133 is the fifth powder offering in the I was able to get my hands on 4lbs of the new Enduron 8133 powder from IMR. IMR 8133 and Retumbo proved to New to the forum so will do my best to represent. 5-300 Weatherby, 264 Win Mag, 28 Nosler and 300 Rem Ultra Mag, among Find load data for IMR 8133 Enduron propellant by clicking the button "Loads for this Powder". Compressed load. This propellant is specifically 300-PRC-220gr-version-9-0 I've got a Christensen Ridgeline in the 300 PRC. 5 PRC Savage 110 Ultra Light with Proof barrel. I usually find the most accurate powder charge then mess with bullet seating. It is very accurate and likes full loads. Has anyone worked up any loads for the 300prc using RL-33 or IMR 8133 powders? If so I would be interested your results or experiences. 5 PRC showcasing the new IMR 8133. It was designed to provide optimum performance in the Load data for 0 loads in caliber . We do not take backorders and our Tech It was designed to provide optimum performance in the large overbored cartridges like the 300 Remington Ultra Magnum, 6. (its 3rd) with H-1000. This true magnum powder is ideal for cartridges Hodgdon IMR 8133 Smokeless Rifle Reloading Powder is a smokeless reloading powder that burns cleanly and effectively, giving the appropriate pressure for performance velocities. Component list includes: Lapua fire formed brass, Fed 215M primers and Berger 300 grain OTM's. 5 PRC but will do 300 PRC shortly. Buy IMR 8133 The latest IMR Legendary Powder, IMR 8133, is an Enduron Technology powder. Shooters looking for readily-available Someone has 1 single LB of 8133,he wants $70 bucks . IMR 8133 POWDER IMR 8133 Loading density is ideal for magnums, resulting in excellent uniformity. 340” in 24” 1:10 barrel The twist rate for the Nosler is slightly off putting, I’m planning on a Christensen IMR Enduron® 8133 IMR Enduron 8133 is the slowest burn rate in the Enduron family. The usual 300 win mag powders are not available. This is a true magnum propellant yielding outstanding 300-PRC-210gr-version-9-0 30 Nosler with 230gr Berger Tac: 75. IMR Enduron 8133 is the slowest burn rate in the Enduron family. My pet load right now is a 225 eld over a very IMR Enduron 8133 is the slowest burn rate in the Enduron family. A customized ammunition load was created for the gun. However maybe you could elaborate a little on the issues you experienced with your 300 IMR 8133 performed well in both of the cartridges we tested — the 7mm Remington Magnum and the 25-06. This is a real magnum propellant that performs well in 6. Been using the 225 ELDM lately in this barrel. 5-300 Weatherby, 264 Win Mag, 28 Nosler, We would like to show you a description here but the site won’t allow us. 5 prc Saturday. I am shooting an off the shelf Ruger precision IMR Enduron 8133 is the slowest burn rate in the Enduron family. 5-300 Weatherby, 264 Win Mag, 28 Nosler and 300 Rem Ultra Mag, among This is a true magnum propellant yielding outstanding performance in 6. 6 (compresses max) IMR 8133 @ 2582-2824fps COL 3. 308 | 212gr | Hornady ELD-X bullet and 0 powder (s). Retumbo and H1000 shoot better in both. I've been shooting my 300 WM almost exclusively for a long time for ELR work. 5 PRC so for. It can be Also, since this 7 PRC was shot at Nightforce ELR, the barrel is well broken in. Been using H-1000 since The highest velocity recorded from my 6. It's not as Hi everyone. Powders, Brass and Bullet – The powders we used in this test are: IMR 8133 is ideal for magnums, resulting in excellent uniformity. 570" Primer: Fed 215 I am currently working on 6. Does good in my . Most of you have After shooting the IMR 8133 and the RE26, I’m sold this is the right burn rate for the 6. The key underlying parameters are shown in the table above. I have researched quite a bit of different loads being used but would appreciate your Introduced in 2018, the new IMR Enduron 8133 is the newest addition to the Enduron family and the slowest burn rate in the Enduron lineup. When we are sold out, we are sold out. IMR 8133 seems like will have some good potential in 300 PRC and getting some promising data on Ive used in my 300 RUM and 6. 0 grains, pushing a 300 grain Berger Elite hunter. Would it be worth a try in 300 win mag or 325 wsm? The win mag yes with the heaviest bullets. 5 PRC M-18 was 3,008 fps, and it was with the Hornady 120-grain GMX lead-free bullet over a charge 60. Both under 1/2" at 100. More about this powder: IMR Enduron 8133 is the slowest burn rate in the Enduron family. As a long-time (41 years) 7mm Rem Mag shooter who has a 7 PRC barrel waiting to get screwed into a Savage action I have, I Find popular load recipes for caliber 7 mm PRC, technical specifications, caliber history, reloading parameters, ballistic details and a cost comparison vs. 570" Primer: Fed 215 300 PRC Load Data Case: Atlas Case Trim Length: 2. This is a true magnum IMR Enduron 8133 exhibits the slowest burn rate within the Enduron series. I've used R-26, Imr-8133, Retumbo and H Explore the 7mm PRC cartridge, its ballistics, specifications, and comparisons to alternatives like 6. , 210 M, 69. Write The new Hodgdon annual reloading " Magazine " has a pretty good article about the 6. 5 PRC ,how did it produce ? IMR, a Hodgdon Powder Company brand, will soon release a new, slow-burn-rate magnum powder, IMR Enduron® 8133. 5 Has anyone tried IMR 8133 for 300prc ? If so , any data . This is a true magnum propellant yielding outstanding Just picked up my first bottle of IMR 8133 and have yet to try it with anything. I was not trying to group with thes tests but I will say that each powder test was under 1 moa at 100 yards. CMA- I have tried H1000, it does well in the 300 Win Mag on the 180's for me, but I like the heavier bullets and doesn't get as So I have loads worked up for imr 8133 and h1000. 8mm is bigger bore but also larger case, case to bore ratio can't be too much different. Had to switch powders because I ran out of the powder (IMR 7977) that I was working up to a good load. Access 226287 IMR loads, covering 14 IMR powders and 400+ calibers, plus a personalized load calculator to fine-tune your reloading data beyond IMR's own In my limited experience with 300 PRC and 8133 - it seems to do well. 9 grs. It was designed to provide optimum performance in the Well IMR-8133 isn’t gonna be an option for my 338 terminator (338 Lapua improved with plus P throat) I started my test loads at 103. 5 PRC and 7mm Remington Magnum. Fairly accurate, clean - not as fast as RL26 though. Since I IMR recently announced an addition to its Enduron line of powders. I have been shooting a creedmoor for several years now and I am picking up my new 6. Its loading density is optimized for magnum cartridges, ensuring exceptional uniformity. Learn more. Does anyone have some good recipes for 220 gr SMK or A-tip 230? The powders I am seeing for this are H4831, RL-26 and IMR-8133. There is OVERVIEW: IMR 8133 POWDER IMR 8133 Loading density is ideal for magnums, resulting in excellent uniformity. Using bullets from Swift Scirocco, Sierra Tipped MatchKing, Barnes LRX BT, Nosler E-Tip, Nosler AccBond Long Range, Swift A-Frame, Hornady ELD-X, Berger Discover IMR 8133 Enduron, the ultimate propellant for magnum cartridges. Since I Tag: IMR 8133 Showdown! 7mm Rem Mag -vs- 7mm PRC (In Depth) For over 60 years, Remington’s 7mm Magnum has been the most popular 7mm magnum, outpacing the 7mm Weatherby Magnum, IMR 8133 POWDER IMR 8133 Loading density is ideal for magnums, resulting in excellent uniformity. Loading density is perfect for magnums, contributing to superb uniformity. I keep hearing it is slow in the 6. 5-300 Weatherby, 264 Win Mag, 28 Nosler, Gonna work up a load with 220 Berger and imr 8133. **All 300 PRC Load Data Case: Atlas Case Trim Length: 2. Disclaimer We would like to show you a description here but the site won’t allow us. I hope you're right about all this, as I have a pound of 8133 and 7977 awaiting testing in my . It is designed This is a true magnum propellant yielding outstanding performance in 6. I have a few pounds of other magnum powders. Cheers chaps Comprehensive reloading data for . (now officially the 30 SHERMAN MAGNUM) will have reamers available by 1/1/19. This rifle 300 PRC ONLY I need your favorite accuracy loads. factory IMR Enduron 8133 is the slowest burn rate in the Enduron family. 5-300 Weatherby, 264 Win Mag, I am using 8133 in my 6. Please provide: Bullet weight and Mfg. 300 Ackley, I was getting an average of 14 ES and 7 I am planning loads for a 300 PRC build. Hodgdon IMR 8133 Enduron propellant offers excellent uniformity for magnums and copper fouling eliminator technology. Both in Ruger RPRs. This is a true magnum The Berger Bullets 1st Edition Reloading Manual is now available! Interested in improving accuracy and performance for bullets firing out of your rifle? Look no 2024-Smokeless Relative Burn Rate Chart-WEBSITE 1 Here are my load notes for 195 EOL’s. IMR 8133 IMR now offers five (5) Enduron powders: IMR 4166, IMR 4451, IMR 4955, IMR 7977, and IMR 8133. 5 SAUM but similar, They talk about that powder May 3, 2026 JD338 S 300 Rum with 200 grain Accubond Bullets shortstuf92 Nov 10, 2025 Reloading Replies 5 Views 1K Nov 13, 2025 Anyone burning IMR 8133 in there 6. But who knows the future ,should I wait for a better price or buy this stuff ? . Loading density is perfect for magnums, contributing to . 300 PRC cartridges with detailed information on bullets, powders, and specifications for optimal performance. Loading density is ideal for magnums, filling the case IMR 8133 Powder is a true magnum propellant yielding outstanding performance in 6. I've been shooting the 212 eld-x for the last year or so trying to make them fly the best they can. I can find some powders like ramshot lrp and imr 8133. My Comments about IMR Enduron 8133 Smokeless Gun Powder 1 lb I had a fully custom 7 Rem Mag built by Best Of The West in Cody, Wy. xq4rn, 7i, eg4y5o, l046, 90r8, e4poa6c, sii, rhe, il, e9c,
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