The 7mm Remington Ultra Magnum or 7mm RUM is a 7mm rifle cartridge introduced by Remington Arms in 2001. The 7mm RUM was created using the .404 Jeffery case [citation needed] which was also used to develop the .375 RUM .300 RUM, and …

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. The RUM was designed to produce ultra high velocities to meet the growing demand for long range hunting rifles and cartridges.

Nov 26, 2019 · Let’s compare three cartridges that do that; the old 7mm Rem. Mag., the new .28 Nosler, and the over-the-top 7mm RUM. .284 bullets to fit the bores of all 7mm cartridges come in a wide variety of shapes and weights from 100 grains to 180 grains—adequate for everything from coyotes to big bears.

The 7mm Remington Ultra Mag is the smallest of the Ultra Mag calibers. It offers ballistics roughly comparable to the 7mm STW, but burns more powder to do so. Because of its great case capacity it is overbore with all but the very slowest rifle powders.

The 7mm Remington Ultra Magnum was designed in 2002 by Remington Arms Company. The parent case is the .300 Remington Ultra Magnum and fits a .284 inch bullet on a .317 inch neck with a beltless, rebated, bottleneck with a large rifle magnum primer case that is 2.850 inches long and 3.60 inches in overall length with a 1:9 1/4 rifle twist.

Aug 14, 2023 · Arguably the most popular of Remington’s beloved family of magnum and ultra-magnum cartridges (338 RUM anyone?), the 7mm Rem Mag remains a do-it-all big game cartridge that’s been reliably knocking down deer, elk and much more since 1962. But what is “The Big Seven” 7mm Remington Magnum best for?

Nov 11, 2014 · I am running A 7mm Ultra Rogue (7mm rum AI) I built just for the 195. I have tested RL 33 and wc 872. I am settling in on the 872 , lil cleaner than the 33, and it is shooting under .250 moa .

7mm Remington SA Ultra Magnum; 7mm Remington Magnum; 7mm PRC; 7mm Remington Ultra Magnum; 7mm Shooting Times Westerner; 7mm Weatherby Magnum; 7mm-08 Remington; 7x57 Mauser; 8mm Remington Magnum; 8x57 JS Mauser; 9.3x62; 9.3x74 R; 9mm Luger; 350 Legend; 45-70 Government; Activity. Dangerous Game; Deer …

With its high velocity and flat trajectory, the 7mm RUM offers superior energy retention, making it an excellent choice for hunting large, tough animals like elk, moose, and bear. Its powerful ballistics enable hunters to take precise shots at extended ranges, ensuring clean, ethical kills.

In 2002, the 7mm RUM (short for 7mm Remington Ultra Mag) came out with the largest case than any other commercially available 7mm round. The 7mm Ultra Mag delivers hard-hitting long-range performance, perfect for hunting large North American big game like bears, elk, and moose.