Imr 8133 7mm Rem Mag

Falls directly between IMR4451 and IMR7977 in burn speed, providing top performance for all big game cartridges. Our mission is to provide quality products and services in a manner which enhances the lives of our employees, familes, customers, suppliers, and our communities. Extremely temperature stable. 700BDL that was bedded, barrel floated, trigger tuned to 3lb. Hello jeff; I am currently doing load workup on my 264 Win mag Model 70 Winchester Westerner with the same bullet. 300 Rem Ultra Mag, and other similar cartridges. I found some bullets and I'd like to work up some loads for him for Christmas. 7mm Remington Magnum reloading data with 47 loads. 7mm Remington Magnum (7 Rem Mag) Barrel Length Versus Velocity. com True magnum propellant yielding outstanding performance in: • 300 Win Mag • 7mm Rem Mag • 338 Lapua. I'm shooting 140 grain Nosler Accubonds over the rl26 at 3400 FPS. The AccuBond® -Long Range (LR) bullet line was developed in response to the escalating demand from long-range hunters who were asking for a hunting bullet that could keep up with today's level of high-grade optics and ultra-high velocity cartridges in order to stretch practical shooting yardages past 1,000 yards; yet still perform on big-game animals. 5-300 Weatherby, 264 Win Mag, 28 Nosler and 300 Rem Ultra Mag, among other cartridges. Loading Sako A7 mm REM Mag using AR2217 powder; PPU brass; 264win mag - a quick 6. The 7mm Remington Magnum is one of the most popular magnums ever produced. Lubed, re sized, cleaned, trimmed, de burred, primed with CCI MAG RIFLE. Probably the most popular PPC Benchrest powder used in the world. I'm going to have at most 2 afternoons at the range to develop a load before deer season (life is very busy, plus I'm shooting a bunch of USPSA matches between now and then). We've stockpiled a wealth of information that can help take your craft to the next level. The flagship rifle is the NoslerCustom in a fancy-grade checkered walnut stock, and it is guaran - teed to give. The primary difference between the standard. average 10 shots 5 shot group. Loading density is perfect for magnums, contributing to superb uniformity. It is based loosely on the beltless. 284 Winchester, 7mm Winchester Short Magnum (7mm WSM), and 7mm Remington Short Action Ultra-Magnum (7mm SAUM). Thanks to its tip, a sophisticated jacket and Hornady. This true magnum powder is ideal for cartridges like 6. Remington 7 STW Sendro, Burris Signature 6x24 Target. This is a true magnum propellant yielding outstanding performance in 6. 5 or 2506 for elk must have been dropped at lot as a infant. 300 Rem Ultra Mag, and other similar cartridges. 30-06 case down to. hodgdonreloading. R22 or h1000 looks like the best place to start. May or nay not include a cleaning rod. Finally got my hands on a few pounds of rl26 and mywork is done. Complete 7mm Remington Magnum Winchester ammunition ballistics Chart. 8gr 2,940fps 46,200 PSI MAX 78. Ultra-Consistent Magnum Rifle Powder Ideal For Big Game. 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. 8 3006 RL 26 70. IMR 7977 Powder is a true magnum propellant with the slowest burn speed of all the Enduron powders. Other new propellants include Retumbo, IMR 7977, IMR 8133, Reloder 25, Reloder 26, Reloder 33, Reloder 50, Ramshot Magnum, Accurate MagPro, and VihtaVuori N570. The Enduron Technology powder with the slowest burn rate, IMR 7977™ yields outstanding performance in the. 640 for the 7mm versus 0. Camping & Hiking. Hodgdon has data for a 168gr SMK, I have read that it is acceptable to use data for a heavier bullet and work up from there. The slowest burn rate Enduron Technology extruded powder is IMR 7977, and is a true magnum cartridge propellant. When it comes to accuracy, Hornady’s InterBond rules the bullet world. They are available if you know when and where to look. This is a true magnum propellant yielding outstanding performance in 300 Winchester Magnum, 7mm Remington Magnum and 338 Lapua, among other cartridges. You will be surprised to find out how convenient this system can be, and you may feel good if you know this Imr 4320 Powders Imr Powders is one of the best selling item on today. The flagship rifle is the NoslerCustom in a fancy-grade checkered walnut stock, and it is guaran - teed to give. The new powder is the IMR 8133. top-free-ad. This true magnum powder is ideal for cartridges like 6. Best site for precision rifle accuracy and accurate shooting for Benchrest, F-Class, Tactical, Varmint, High Power precision Shooting. This is a true magnum propellant yielding outstanding performance in 6. The widest range of shooting accessories at very competitive prices with products are backed by our customer service & extensive product knowledge. Brass Necked down to 7mm. For 35 years my Ruger Model 77 chambered in. Down Range 12ga 1oz 8ptl (TGT12) Gun Metal Blue (500/5000). May or nay not include a cleaning rod. 300 Rem Ultra Mag, and other similar cartridges. 28 Nosler,. 30-378 Weatherby Magnum, among others. 640 for the 7mm versus 0. The chamberings of choice are the. Extremely temperature stable. 5 remington mag dies; 6. 300 Rem Ultra Mag, and other similar cartridges. RL22 is the powder for the 7mm rem. This true magnum powder is ideal for cartridges like 6. They have a 16" barrel, with a Yugo standard pattern receiver, and a standard wood buttstock with rubber buttpad, a black synthetic pistol grip, and a slant cut muzzle brake. 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. now the 264 win mag (basicaly 26 cal) and the 7mm rem mag (basicaly 28 cal) are the same case except for the neck. 28 Nosler,. As an interesting note to those who enjoy cartridge history, Remington’s Seven-Mag was not the first belted magnum of this caliber or length. Nice DEEP pits, and a hole!. Your source for Firearms, Ammunition, Reloading Supplies and More!. Extremely temperature stable. Hodgdon ® Powder, IMR ® Powder and Winchester ® Powder expressly disclaim any and all warranties with respect to any and all products sold or distributed by them, the safety or suitability thereof, or the results obtained including, without limitation, any implied warranty of merchantability or fitness for a particular purpose and/or any. That being said, magnum fiends such as yourself have to be loving the 28Nos. Mag a 250 rather than a 200-yard zero is the better choice. 5mm/06 dies; 6. I use IMR 8133 in my 7STW very accurate. IMR Enduron 7977 is one of the slower burn rate propellants in the Enduron family. The combination of great ballistics with manageable recoil has made the 7mm cartridge a favorite among long-range prone and benchrest shooters. For my revolvers and. DC Motor 50 HP 1750 RPM 365AT DPFG STAB / SHUNT REM Hertner Battery Charger TD18-775 18 Cell Type L-A Square D Mod Model 4 Sz Size 4 Fuse MCC Bucket 8536SFO1 General Electric GE AC1465WG Bus Plug 400 A Amp 600V GE Flex-A-Plug FVK365RT Busway Switch 400 A Bus Fusible Square D I-Line Main Lug Panelboard 225Amp 480V 3P 4W. This true magnum powder is ideal for cartridges like 6. 28 Nosler,. The new Enduron 8133 powder will be available in 1-lb and 8-lb canisters starting in February 2018. 404 Jeffery case or the more familiar Reming-ton Ultra Mag with the shoulder set back to reduce case capacity when compared to the 7mm Rem - ington Ultra Mag. Sales and earnings are expected to accelerate as the company continues to build on its retail strategy. The primary difference between the standard. Left to right:. One of the powders listed as fastest with all bullet weights was IMR 8133, the newest and slowest-burning in the Enduron line of temperature-insensitive powders. 300 Rem Ultra Mag, and other similar cartridges. [email protected] 300 yds. Jun 10, 2016 · Guide to IMR’s Enduron Powders — What You Need to Know. Hornady Manufacturing Company develops and publishes reloading data for the Handbook of Cartridge Reloading. This magnum 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. Our mission is to provide quality products and services in a manner which enhances the lives of our employees, familes, customers, suppliers, and our communities. Its only a 8gr difference, is this adviseable?. 338 Lapua, as Jim's shoulder would not handle the punishment! We decided to test this powder in. 270 WSM and the. 5-300 Weatherby,. 28 Nosler,. 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. While we have went to great lengths to make sure that it's as accurate as possible this rendering should not be used to generate specs for casings. Thanks to its tip, a sophisticated jacket and Hornady. The top quality and accuracy that are characteristic to all Lapua ammunition is achieved with precise combining of the cartridge components. IMR Enduron 7977 is one of the slower burn rate propellants in the Enduron family. This is a true magnum propellant yielding outstanding performance in 7mm Rem Mag, 7mm STW, 30 Nosler and 300 Rem Ultra Mag, among other cartridges. Ultra-Consistent Magnum Rifle Powder Ideal For Big Game. The 7mm Remington Magnum is one of the most popular magnums ever produced. 338 are better suited for the speeds of the 338 Winchester Magnum, 338-06, or 338 Federal and may fragment if pushed by the 338 Lapua Magnum and impact game at close range. IMR 8133 1 $27. For a big 30, I think a belted mag makes sense, but 7mm is really well suited to the. Anyone taking a 6. 5-300 Weatherby,. I'm looking to load some 7mm 160gr TMKs in my 280AI using IMR 8133. In 2004 I hunted caribou in Canada, and because two bulls could be taken legally, I took along two Remington 700 rifles, one in 7mm Remington Magnum, the other in 6. The stepson runs 70. 284-inch bullets. 5 Creedmoor brass. Matching ammunition components for reloaders. 5-300 Weatherby,. 338 Lapua and a host of other magnum cartridges. Pretty tame load giving me 2990fps. 7mm Remington Magnum (Hodgdon Data) reloading data with 302 loads. 5mm/06 dies; 6. IMR 7977 Powder is a true magnum propellant with the slowest burn speed of all the Enduron powders. CPI AEROSTRUCTURES, INC. IMR 8133 1 $27. Extremely temperature stable. This is a true magnum propellant yielding outstanding performance in 6. Another new Enduron extruded powder, IMR-4451, gives top performance in the venerable 30-06, 270 Win and 300 WSM. 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. Loading density is perfect for magnums, contributing to superb uniformity. 300 Remington Rem Ultra Magnum. 7977 - Load after load, season after season, trophy hunters and long-range shooters demand superb uniformity and accuracy. It yields outstanding performance in such cartridges as the 300 Winchester Magnum, 7mm Remington Magnum, 338 Lapua and a host of others. CFE BLK contains our Copper Fouling Eraser ingredient, originally used in military propellant, which greatly deters copper fouling and contributes to longer periods of top accuracy with less barrel cleaning time. Ultra-Consistent Magnum Rifle Powder Ideal For Big Game. This powder is capable of adding between 40 and 100 feet per second, creating…. This true magnum powder is ideal for cartridges like 6. 5-300 Weatherby,. CCI SMall Rifle BR4. Its only a 8gr difference, is this adviseable?. hodgdonreloading. However, I hope that this reviews relating to this Imr 7828 Powders Imr Powders is going to be useful. Get everything you need for quick reloading in this great selection from SCHEELS. I tried, rl25, rl33, and Retumbo with no good results at all. 300 Rem Ultra Mag, and other similar cartridges. com 31 The Model 48 has earned a reputation for quality and accuracy. 2 http://indonesia. Nice DEEP pits, and a hole!. Hodgdon Extreme Retumbo Rifle Powder 8 lbs. I'm looking to load some 7mm 160gr TMKs in my 280AI using IMR 8133. 300 Rem Ultra Mag, and other similar cartridges. This is a true magnum propellant yielding outstanding performance in 300 Winchester Magnum, 7mm Remington Magnum and 338 Lapua, among other cartridges. 5-300 Weatherby, 264 WM, 28 Nosler, 300 RUM; comparable to H Retumbo). Excellent performer in the. com for the 7mm Rem Mag with a 162g bullet and noticed a new powder, IMR 8133. Wyoming elk shot at 1140 yards with the 7mm Rem Mag Gunwerks LR-1000. prc sectional density: 0. 30-378 Weatherby Magnum History Based on the giant. In a little booklet I got from him they advertise, among others, IMR 7977 (for 300 WM, 7mm Rem Mag, and 338 LM; comparable to H1000), and IMR 8133 (for 6. 8 3006 RL 26 70. The new Enduron 8133 powder will be available in 1-lb and 8-lb canisters starting in February 2018. 30-378 Weatherby Magnum, among others. Oct 31, 2004 · This new powder is designed for large, magnum cartridges, such as. Nice DEEP pits, and a hole!. The 7mm Rem Mag is equally versatile in woods situations as it is at long range. lgdr ® match item no. Looks like a new powder is coming in February that is going to get the 7 REM MAG to where it should be. 5g RL22 (no pressure signs) The in between loads shot 2- 2. 300 Win Mag, and 300 RUM. Check out Ammunition at the Default Store View website for less. They also come with a side mounted scope rail on the receiver and one hi-cap mag. , a 40mm Simmons 6x fixed power scope in Redfield steel rings, on a one piece Leupold mount, and a speedlock firing pin. I'm pleased to report that the LAW Professional II gave more than acceptable results, with both factory and handloaded ammunition. Although I haven't done case capacities comparisons yet the loads for the 7mm RMag should be a close starting point. wat is the best load for the 7mm rem mag i was looking at 162 grain btsp by hornady and was wondering wat the best powder was i was thinking of the imr 7828 ssc how much powder should i use and about how fast will they go. It is a true magnum cartridge propellant with outstanding performance in such cartridges as the 300 Winchester Magnum, 7mm Remington Magnum, 338 Lapua and more. Hodgdon Extreme Retumbo Rifle Powder is designed specifically for extremely large over-bored cartridges, including. 5-300 Weatherby,. Nov 12, 2017 · IMR, a Hodgdon Powder Company brand, will soon release a new, slow-burn-rate magnum powder, IMR Enduron® 8133. 284/7mm 140gr GameKing. 62x39 dies; 7. The new powder is the IMR 8133. 300 Rem Ultra Mag, and other similar cartridges. of IMR 4831 in a Rem. Extremely temperature stable. We have handy reloading tools, reloading bullets, brass, case preparation, trays and boxes, manuals, shell holders, reloading kits and much more. [email protected] 300 yds. You May Vote Your Proxy When You View The c/o Continental Proxy Services – 8th Floor Material On The Internet. The combination of great ballistics with manageable recoil has made the 7mm cartridge a favorite among long-range prone and benchrest shooters. Whether you're new to reloading or a seasoned vet, there's always something more to learn. Your source for Firearms, Ammunition, Reloading Supplies and More!. Magnum and. 700BDL that was bedded, barrel floated, trigger tuned to 3lb. Best site for precision rifle accuracy and accurate shooting for Benchrest, F-Class, Tactical, Varmint, High Power precision Shooting. 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. Remington's "Seven Mag" remains a standard chambering whenever a new rifle is introduced. 1 3052 *RL 33 82. 270 WSM (Winchester Short Magnum) fall between the ballistics of the standard. For 35 years my Ruger Model 77 chambered in. This powder is als. Years ago my Namibian “brother” registered a Kreiger, cut rifled barreled Sako action, 7MM Rem Mag i had built. This true magnum powder is ideal for cartridges like 6. 3gr under 150gr Nosler Partition with Hornady brass and Tula Mag primers. 7mm Remington Ultra Magnum Rifle Cartridge by Nosler Inc 7mm Rem Ultra Mag. This is a true magnum propellant yielding outstanding performance in 300 Winchester Magnum, 7mm Remington Magnum and 338 Lapua, among other cartridges. Extremely temperature stable. 1st round of testing today in the 7mm Rem Mag. Excellent performer in the. Once, 30-06 ammo was only made with a jacketed bullet, today multiple choices are available. 50 Add to cart Hornady Brass Unprimed 218 Bee (50). The propellant's burn speed falls between that of Reloder® 22 and Reloder® 33, and it incorporates EI® technology to produce extremely high velocities in magnum cartridges. 284") bullets are available in a wide range of weights and styles. Works about the same as IMR4350 in my 8mm Mauser too, but couldn't get my 7mm to like the 4350. Loading Sako A7 mm REM Mag using AR2217 powder; PPU brass; 264win mag - a quick 6. However, I hope that this reviews relating to this Imr 7828 Powders Imr Powders is going to be useful. I've found that IMR4451, in the Enduron line, has all but replaced IMR4350 in many of my African ammunition. Another thing I want to throw out there, is that with the seven mag, you don't NECCESSARILY have to use mag primers. com/layanan-kecantikan-kesehatan-saudapro-extra-garlic-100kapsul. I have the factory brass from the HSM loads as well as Remington brass. Loading density is perfect for magnums, contributing to superb uniformity. 640 for the 7mm versus 0. IMR® Legendary Powders now offers four (4) Enduron powders: IMR 4166, IMR 4451, IMR 4955, and IMR 7977. 28 Nosler,. and the powerful. This magnum powder was designed expressly for the really large overbored cartridges such as the 7mm Remington Ultra Magnum, IMR 8133 Smokeless Powder is in the. 338 Lapua Magnum with these powder ? Reloader 33 IMR 7828 IMR 4350. Extremely temperature stable. 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. 5-300 Weatherby,. Also, unlike the 7mm RUM which struggles to better the velocities of the 7mm STW, 7mm Weatherby and 7mm-. 4gr under a 160gr Speer BTSP with Norma brass and CCI 250 primers. 300 Win Mag, and 300 RUM. 300 Remington Rem Ultra Magnum. 300 Rem Ultra Mag, and other similar cartridges. 640 for the 7mm versus 0. Most of the bullets in. 270 Winchester and. 338 Lapua and a host of other magnum cartridges. The Hodgdon Annual Manual features technical articles by leading writers, along with all the recent cartridges, powders and bullets. Our purpose was to provide reloaders with information on five popular calibers to give them an idea of what to expect, should they decide to use IMR Enduron powders. 1 3052 *RL 33 82. This true magnum powder is ideal for cartridges like 6. Speed should be at about 2970 or so, or at least that is what mine registers very repeatedly. So happy, I just got 8lbs of IMR 4831. 300 Weatherby, 7mm Remington Magnum and other applications where IMR4350 was the standard. 270 WSM and the. Best site for precision rifle accuracy and accurate shooting for Benchrest, F-Class, Tactical, Varmint, High Power precision Shooting. This new powder is designed for large, magnum cartridges, such as. My brother's T3 shoots the HSM stuff into little bitty holes. 5-300 Weatherby,. May or nay not include a cleaning rod. 30-378 Weatherby Magnum, and the 7mm Remington Ultra Magnum. The 7mm Rem Mag produces high power but at a recoil level that hunters can either tolerate or learn to tolerate. 300 Rem Ultra Mag, and other similar cartridges. Whether you're new to reloading or a seasoned vet, there's always something more to learn. mossberg accu-mag ported black (1) mounts rmr optics (1) ramrod. This true magnum powder is ideal for cartridges like 6. Magnum is a clean burning powder with excellent velocity making it a great choice for high volume match shooters. 5-300 Weatherby,. s RL22 with a 150 swift sirrocco in a win case and 215 primers. ANOKA, Minn. Just finished my 7mm Rem Mag build of a Savage action. 28 Nosler,. IMR 8133 140 gr. IMR Enduron 8133 is the slowest burn rate in the Enduron family. Loading density is perfect for magnums, contributing to superb uniformity. Large Rifle primers and Large Rifle Match Campro 147gn 308 bullets 300 Blackout upper and or upper parts. Its popularity has been continuous for the past 57 years. in Tisdale, SK. This true magnum powder is ideal for cartridges like 6. Rem Small Rifle Benchrest 7 1/2. deals, you’re greeted with, "Install blocked. Aug 19, 2019 · IMR 8133 Enduron 6. 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. This belted cartridge conveniently fits in a standard length action and produces great ballistics with a wide selection of bullet styles and weights doing it all with very manageable recoil- It’s no wonder this cartridge continues to be popular. 300 Rem Ultra Mag, and other similar cartridges. 30-378 Weatherby Ballistics cartridge. Shooters looking for readily-available alternatives to hard-to-find extruded powders should definitely check out the Enduron line-up. Barrels Now In-Stock. Shop the best deals on reloading components, presses & dies, tumblers & scales, and more. Add to cart. Get everything you need for quick reloading in this great selection from SCHEELS. 300 Rem Ultra Mag, and other similar cartridges. 264 WM May even work. IMR 8133 Enduron 6. Just found that some supplier have these powder which also proper for this caliber. 5-300 Weatherby, 264 Win Mag, 28 Nosler and 300 Rem Ultra Mag, among other cartridges. 338 are better suited for the speeds of the 338 Winchester Magnum, 338-06, or 338 Federal and may fragment if pushed by the 338 Lapua Magnum and impact game at close range. 28 Nosler,. IMR 7828 is an excellent powder choice for this cartridge, yielding the most. 30-378 Weatherby Magnum, among others. It yields outstanding performance in such cartridges as the 300 Winchester Magnum, 7mm Remington Magnum, 338 Lapua and a host of others. Ultra-Consistent Magnum Rifle Powder Ideal For Big Game. This true magnum powder is ideal for cartridges like 6. Get everything you need for quick reloading in this great selection from SCHEELS. The Enduron Technology powder with the slowest burn rate, IMR 7977™ yields outstanding performance in the. Take Aim at Rifle Reloading Data | Hodgdon Reloading. AccuBond® Long Range Bullet Information. 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. com for the 7mm Rem Mag with a 162g bullet and noticed a new powder, IMR 8133. Some calibers, and timing of the orders, could be longer. Extremely temperature stable. Occasionally, we will temporarily publish load data on this page when a bullet becomes available and is not yet listed in the latest edition of the handbook. 264 WM May even work. Remington Model 700CDL with Nikon 3x9 scope. 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. 5-300 Weatherby Mag Handloads. This true magnum powder is ideal for cartridges like 6. 300 Rem Ultra Mag, and other similar cartridges. This is a true magnum propellant yielding outstanding performance in 6. 5-300 Weatherby,. The 7mm Remington Magnum was introduced in 1962 along with the new Remington Model 700. now the 270-264 (basicaly 27 cal ) is also the same case. The AccuBond® -Long Range (LR) bullet line was developed in response to the escalating demand from long-range hunters who were asking for a hunting bullet that could keep up with today's level of high-grade optics and ultra-high velocity cartridges in order to stretch practical shooting yardages past 1,000 yards; yet still perform on big-game animals. 223 Remington 60-62 gr. 378 Weatherby case, the. To maximize performance, the ballistics experts at Western Powders, Inc. 8gr 2,940fps 46,200 PSI MAX 78. Extremely temperature stable. 5 cartridges it's hard to beat. 00 Federal Large Rifle Magnum Match #215M 1K $39 - 5K $187. 375 H&H Belted Magnum was released in 1911, Holland & Holland released the. 300 Remington Ultra Magnum, 7mm Remington Ultra Magnum, and. 284 Winchester, 7mm Winchester Short Magnum (7mm WSM), and 7mm Remington Short Action Ultra-Magnum (7mm SAUM). I have for trade, 66 boxes (1320 rounds) of Norinco 223 (yeollow box) I am looking for: H4895, Varget, H1000, IMR 7977, IMR 8133 Ambi charging handle for an AR15/10. 28 Nosler,. 7mm Remington Magnum (7 Rem Mag) Barrel Length Versus Velocity. IMR 8133 Smokeless Powder is in the Extreme line of IMR powders. 5-300 Weatherby,. an unprecedented combination of accuracy, expansion, and deadly penetration — all at a price that’s up to 40% less than other premium bullets. 300 Rem Ultra Mag, and other similar cartridges. 338 Lapua, although it is also ideal for a range of large magnum rifle cartridges. Loading density is perfect for magnums, contributing to superb uniformity. Falls directly between IMR4451 and IMR7977 in burn speed, providing top performance for all big game cartridges. 270 WSM sits roughly halfway between the.