Rifle Calibers Rifle Calibers 22-250 Remington (4) 243 Winchester (4) 244 Remington (4) 240 Weatherby (6) 250 Savage (4) 257 Roberts (4) 25-06 Remington (6) 260 Remington (4) 270 Winchester (6) 280 Remington (6) 280 Ackley Improved (2) 284 Winchester (3) 300 Savage (4) 30 Remington (3) 308 Winchester (4) 30-06 (6) 338 Federal (4) 338-06 (6) 358 Winchester (4) 35 Remington (2) 35 Whelen (5) 450 Bushmaster (4) 458 Socom (4) 6mm Dasher (3) 6mm Bench Rest (4) 6 XC (4) 6mm Creedmoor (4) 6mm Remington (4) 6.5 Creedmoor (4) 6.5X55 Swedish Mauser (2) 6.5-06 (2) 6.5-284 Winchetser (4) 6.5-284 Norma (4) 7 mm Bench Rest (4) 7X57 Mauser (7mm Mauser) (4) 7mm-08 Remington (4) 7X64 Brenneke (2) 7 mm Rem. Express (4) 7.62 mm Nato (4) 7.65 X 53 Argentine (1) 7.7 Jap (6) 8mm Mauser (8X57) (6) 9.3X57 Mauser (6) 9.3X62 Mauser (6) 9.3X74mm R (2)