7mm Remington Short Action Ultra Magnum

Remington introduced the 7mm Short Action Ultra Magnum cartridge in 2002 to compete with the 7mm Winchester Short Magnum cartridge. It was designed specifically for the Remington Model Seven Magnum rifle, and intended primarily for long-range hunting use. Wikipedia
 
Case length2.035 in (51.7 mm)
Case capacity72.6 gr H2O (4.70 cm3)
Rifling twist1 in 10"
Overall length2.825 in (71.8 mm)
Bullet diameter.284 in (7.2 mm)
Base diameter.5357 in (13.61 mm)
Neck diameter.320 in (8.1 mm)