The.300 Remington Ultra Magnum is a centerfire rifle cartridge Shop online for top quality.300 Remington Ultra Magnum Centerfire Rifle Ammo for sale! 300 Remington Ultra Mag (RUM) was introduced in 1998. 300 Remington Ultra Magnum, 26" Heavy Stainless Fluted BBL, Bolt Action, H.S. The RUM was designed to produce ultra high velocities to meet the growing demand for long range hunting rifles and cartridges. We take a look at the energy of the 300 Remington Ultra Magnum factory hunting loads. Abbreviated Name: 300 Rem Ultra Mag Slang: 300 RUM . Now, that’s 300 fps faster than the already-speedy.300 Win. For the fastest delivery, select Express Shipping at checkout. (read more) Gun #: 999606043 300 AAC Blackout. TECHNICAL INFORMATION: Our technicians were surprised to find near benchrest accuracy was achieved when medium weight bullets were teamed with IMR 4350 and a Federal 215 primer. Capital Cartridge has 300 Remington Ultra Mag brass in stock and ready to ship for all specialty reloading needs. 300 Remington Ultra Mag. The 7mm RUM is based on the .300 Remington Ultra Magnum (1999) which is in turn based on a grossly modified version of the unbelted 404 Jeffery’s case. 7 mm Remington Ultra Magnum. 30 Thompson Center. $32.99 - $70.42. Next. Custom reloaders may find that local access to 300 Remington Ultra Magnum brass is somewhat limited, but there is a solution for those who need a dependable source for 300 Rem Ultra Mag brass. It is a beltless, rebated rim cartridge, capable of handling all large North American game, as well as long-range shooting. AMMUNITION. 300 Remington Ultra Magnum. 300 Remington Ultra Magnum Rifle Cartridge. RCBS 17601 Series A Full Length Die Set, 300 Remington Ultra Magnum 4.9 out of 5 stars 21. 6. 7 mm Remington Magnum. and nearly 600 fps faster than the.30-’06 Sprg. 1. Mag. 1. Most orders ship within 24 hours (excludes firearms). RCBS Full Length Die Set 4.8 out of 5 stars 773. 5. 300 Norma. Combining the finest components with game-changing innovation, Remington engineers are moving closer to perfection round by round. Barnes, the leader in bullet innovation offers hunters the ultimate in accuracy, terminal performance and handloaded precision in a factory loaded round. This is level one, a great round for white tail deer. 300 RUM is based on the 404 Jeffery case necked down. 1. Look for 300 ultra mag ammo from the brands you trust, like Hornady, Federal, Nosler, and more! 2. 7 mm Mauser (7 x 57 mm Mauser) 2. 7 mm STW. Unlike some of the 30 caliber magnums (like 300 Win Mag), the 300 Remington Ultra Magnum is a beltless cartridge, which can make it easier to deal with then reloading. The Ultra Mag isn’t belted and the rim is rebated, like the .300 Win Mag. Remington ammunition is the unquestioned leader all other manufacturers must follow. The .300 Remington Ultra Magnum is one of the largest commercially available .30 caliber magnums currently being produced. 7 mm - 08 Remington. The 300 Remington Ultra Magnum is an impressive cartridge- right in the top few cartridges for powder capacity in the 30 caliber category. It is a full-length magnum with .285-inch case, requiring a 375 H&H-length action. Pistol; Rifle; Cowboy; GR. We installed a Leupold 4.5-14 scope on it in Leupold bases and rings. 300 Savage. Using a cartridge overall length of 3.600”—again in common with the.375 H&H Mag.—there was plenty of room to safely seat the longer bullets out far enough to have the case mouth on the shank and not the ogive. 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 Armsin 1999. .300 Remington Short Action Ultra Magnum (also known as 300 RSAUM, 300 RSUM or 300 Rem SAUM) is a.30 caliber short magnum cartridge that is a shortened version of the Remington 300 Ultra Mag, both of which derive from the.404 Jeffery case. Among commercially produced .30-caliber rifle chamberings, the .300 Remington Ultra Magnum is seco… Everything from custom, match grade, to bulk plinking ammo can be found at low Midsouth prices. 300 SAUM (Remington SA Ultra Mag) 1. Remington cartridge […] Look no further for .300 Remington Ultra Magnum ammunition! 2. 300 RUM has greater case capacity than the 300 Weatherby Ma 3. It had a medium weight stainless, fluted barrel, finished at 26". The .300 Ultra Mag is an incredible hunting rifle that has shown to outperform the ballistics of the .300 Winchester Magnum. 1. 30 Carbine. We have all the top brands for your rifle at the best prices, ready to ship right to your door! .300 RUM (Remington Ultra Magnum) - Manufacturer Loading Data. 300 Remington Ultra Mag 150 grain spire point This is 14 rounds of factory never fired ammo, with 6 once fired empty brass. Remington Firearms 85625 700 Long Range Bolt 300 RUM 26" 3+1 Bell & Carlson Black w/Gray Spiderweb Stock Stainless Out of stock View Details » View Details » Out of stock 1. It was stocked in an H-S Precision stock with the aluminum bedding block. Barnes® VOR-TX® is precision ammunition loaded with the deadliest bullets on the planet. Duck Creek Sporting Goods has active Remington brass back orders on: 17 Fireball, 204 Ruger, 222 Remington Magnum, 257 Roberts, 6.5 Remington Magnum, 7 mm STW, 7 mm RUM, 300 SA Ultra, 300 RUM, 300 Weatherby Magnum, 8 mm Remington Magnum, 338 RUM, 35 Whelen, 350 Remington Magnumn and 375 RUM. Only 5 left in stock (more on the way). ALL 110 gr 130 gr 140 gr 150 gr 155 gr 165 gr 167 gr 168 gr 170 gr 180 … The .300 Remington Ultra Magnum is designed to be one of the largest .30 caliber magnum cartridges on the market. The following loads were developed in a Remington Model 700 Sendero rifle. 7 mm WSM (Winchester Short Magnum) 1. Here’s the cartridge specifications: $39.99. 300 H&H Magnum. 300 Remington Ultra Mag. Special offers and product promotions. 2. 300 Rem Ultra Mag Rifle Ammo Midsouth offers great deals on all kinds of 300 Rem Ultra Mag Centerfire Rifle Ammo, also known as 300 RUM ammo. Like the.300 Remington Ultra Magnum ) - Manufacturer Loading Data Mag 150 grain spire This... Excludes firearms ) be one of the largest.30 caliber magnums currently being produced ’ 06 300 remington ultra mag by round 7. All specialty reloading needs 5 left in stock and ready to ship right to door. Fluted barrel, finished at 26 '' Heavy Stainless Fluted BBL, Bolt,. 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