7mm Remington Ultra Magnum [SEP] designer
7mm Remington Ultra Magnum
The 7mm Remington Ultra Magnum or 7mm RUM is a 7mm rifle cartridge introduced by Remington Arms in 2001.
Overview.
The 7mm RUM was created using the .404 Jeffery case which was also used to develop the .375 RUM .300 RUM, and .338 RUM . By necking down the .300 RUM to suit the .284 or 7mm projectile, Remington produced a non-belted case with a head diameter that is somewhat larger than belt diameter of original belted numbers. The resulting
- Remington Model 673 (US – Bolt-Action Rifle – 6.5mm Remington Magnum, .300 Remington Short Action Ultra Magnum, .308 Winchester, .350 Remington Magnum)
- Remington Model 700 (US – Bolt-Action Rifle – 6mm Remington, 6mm Remington Magnum, 6.5mm Remington Magnum, 6.5×55mm Swedish, 7mm Remington Express, 7mm Remington Magnum, 7mm Remington Short Action Ultra Mag, 7mm Remington Ultra Mag, 8mm Mauser, 8mm Remington Magnum, 7mm STW, 7