I got great penetration considering the velocity on a 5x5 bull elk 2 years ago with that 150 gr partition load. The .338 Remington Ultra Magnum has a similar case … Ultra Magnum 338 Win. Bull quartering away on the run at less than 100 yds. Find what you need in four easy steps. NoslerCustom Ammunition - Ammunition Listing Page 6 of 6 Nosler, The World's Finest Bullets, Ammunition, Rifles, & Brass. The .300 Remington Ultra Magnum, also known as the .300 Ultra Mag, 7.62×72mm or .300 RUM is a 7.62 mm (.308 inch) rifle cartridge introduced by Remington Arms in 1999. Oddly, enough, I was looking for that sort of data just today. Call us at 660-460-2802 for the latest load data for newly released bullets. Remington launched this beast in 1999, it's first 30-caliber. 375 Rem Ultra Mag Brass – ADG manufactured brass is optimized not only for consistency in performance, but also for durability. 7mm Remington SA Ultra Mag 27874 150 Core-Lokt Pointed Soft Point 9½ M 0.346 200 ADD TO COMPARE Velocity (FPS) 3110 2831 2568 2321 2087 1867 Energy (FT-LB) 3221 2669 2197 1793 1450 1161 DROP CHART -1.5 The 140 grain Core-Lokt Ultra has replaced Remington’s initial load for the RUM featuring the 140 grain traditional Core-Lokt which surprisingly, managed to hold together at RUM velocities and produce excellent performance on lighter medium game. It is a beltless, rebated rim cartridge based on the .300 Remington Ultra Magnum case shortened .090" and necked-up to accept a 0.338-inch (.338 caliber) bullet. Mag., 350 Rem. To maximize performance, the ballistics experts at Hodgdon Powder Co., Inc. have developed a comprehensive Reloading Guide to provide handloaders with current data for Ramshot Powders. With the optimized material geometry, our brass will generally have a different case volume than most other […] It is based on the .300 Ultra Mag case necked up to One of the ways we accomplished this is by optimizing the material in specific areas to strengthen it. Pressure Grs. The Winchester M70 got 2680 fps with Remington’s .338 Win Mag load using the same bullet. Remington showed a select group of gun writers their new .300 Remington Ultra Mag in the fall of 1998, and the first thing I thought was that that big case would be awesome with a .358 bullet. 338 Remington Ultra Mag We developed the following data in a Remington 700 BDL rifle. After considering a lot of case design possibilities I decided to keep it simple and necked the .300 Remington Ultra Mag case up to .358 with no other changes. This huge cartridge requires a long magnum action as well as an extra long barrel (28" is recommended and C.O.L Grs. 284 Winchester and 6.5 Remington Mag-num were all fine ideas, but terribly limited by the rifles for which they were introduced. Here's what I fired today. Sierra 250 GameKing Fed 215M Remington Case Neck sized once fired cases Rem 700 action 27.5 inch Pac-Nor barrel Leupold Vari-X III 3.5x10 M1 Long Magnum 340 Weatherby Magnum 375 H&H Magnum 378 Weatherby Magnum 416 Rigby 470 Nitro Express 6.5 X 55 Swedish Mauser (commerical action) 6.5 X … 338 REMINGTON ULTRA MAGNUM 338 NORMA MAGNUM 338-378 WEATHERBY MAGNUM 358 NORMA MAGNUM 9,3X57 9,3X62 9,3X74R 375 H&H Flanged Magnum 375 HOLLAND & HOLLAND MAGNUM 375 … Released in 1999, the .300 Remington Ultra Magnum (also known as the 300 Ultra Mag or the 300 RUM) was the result of that development. So you get 170 feet per second more for To view this Reloading Guide in a PDF Here it is right from the Hodgdon web site (reformatted for better plain text appearance): 375 REMINGTON ULTRA MAG CASE: REMINGTON BBL: 24" PR: REMINGTON 9 1 We can help you out! We installed a Mag. To view this Reloading Guide in a PDF .338 Remington Ultra Magnum (RUM) 300 Grain Nosler AccuBond- The .338 Remington Ultra Magnum is a .338 caliber rifle cartridge introduced by Remington Arms in 2002. I liked it in the 300 ultra with 200 gr accubonds. The .300 Remington Ultra Magnum was designed in 1999 by Remington Arms Company. 338 Rem. Remington built the .300 Ultra Mag using a modified .404 Jeffery case necked down to use .308″ bullets, slightly shortened to 2.85″, and blown out to maximize case capacity. The .300 Remington Ultra Magnum … In 2001 Remington introduced their .338 Ultra Mag, based on the .300 Ultra Mag case necked up to accept .338" bullets. Slipped bullet in Mag., 8mm Rem. On the range we confirmed the average velocity of the new Remington Ultra to be 2850 fps. 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. It is often debated which came … Ballistics and Drop for the .375 Remington Ultra Magnum Cartridge Type: Height: 2.85" Width: 0.534" Average FPS: 2862 Average Energy: 5055 Average Gr: 278 Recoil: 3.7 *Casing image above is an artist rendering and not a real photo of .375 Remington Ultra Magnum Ballistics cartridge. Manufacturer Powder Bullet Diam. Like most of his other magnum cartridges, this is based on a blown-out .300 H&H Magnum case, using the signature Weatherby double-radius shoulder. If you're unsure, or just want options, check as many boxes as you'd and Vel. .300 Weatherby 180 grain Barnes Tipped Triple Shock (TTSX)~ Roy Weatherby already had experience with other custom cartridges such as his own .270 Weatherby Magnum when he created the .300 Weatherby. We changed the wooden stock that came with it, and installed the barreled action into an H-S Precision stock. Opinion On Remington 375 Ultra Mag 02-02-2012, 14:28 I am wanting to buy a LSS or XCR in 375 RUM and was wondering what your opinions are on the rifle and caliber? Pressure Hodgdon H4350 Buy Now 0.26400 2.65500 39.9 2,895 49,200 PSI 44.7 3,133 Say hello to the 300 Remington Ultra Magnum. Unfortunately, Remington do not produce a load capable of producing fast, clean killing at long ranges. Mag., 7mm Rem. Vel. Select your cartridge type from the drop-down list. data 5.56 NATO 60-62 gr. Load Data Sheets jmcbrowne@mac.com 2019-05-09T16:48:05-04:00 LOAD DATA SHEETS To support our customers, we’ve created Load Data Sheets for … 223 Remington 60-62 gr. Then select your bullet weight, powder manufacturer and powder type. JMac Thanks for the data confirmation. In 2001 Remington introduced their .375 Ultra Mag, which is apparently intended to compete with the .378 Weatherby Magnum as the most outsized commercial .375 cartridge. The case is based off a .404 Jeffery Nitro Express by narrowing down the neck to fit a … For decades Remington was satisfied with its 6.5mm Rem. To maximize performance, the ballistics experts at Hodgdon Powder Co., Inc. have developed a comprehensive Reloading Guide to provide handloaders with current data for Accurate Powders. Their.338 Ultra Mag case necked up to accept.338 '' bullets,! 49,200 PSI 44.7 3,133 Say hello to the 300 Remington Ultra Magnum installed the barreled action into H-S... 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