Classic American hunting cartridge. Flat trajectory, hard hitting. Jack O'Connor's favorite. Excellent for deer and elk.
Type: Rifle
Introduced: 1925, United States
Parent case: .30-06 Springfield
Standardization: SAAMI
Bullet diameter: 0.277" (7.04 mm)
Case length: 2.54" (64.52 mm)
Overall length: 3.34" (84.84 mm)
Max pressure: 65,000 PSI
Rim type: Rimless
Primer: Large Rifle
Typical twist rate: 1:10
Muzzle velocity: 2900–3140 fps
Muzzle energy: 2700–2850 ft-lbs
Effective range: 500 yd
Common bullet weights: 100, 130, 140, 150, 160 gr
Primary use: Hunting
Production status: Active
Also known as: .270 Win · 6.8x64mm
History: Introduced by Winchester in 1925 as necked-down .30-06. Legendary gun writer Jack O'Connor championed it for 50 years. One of the most popular hunting cartridges ever.
Notable firearms: Winchester Model 70, Remington 700, Weatherby Vanguard
Similar cartridges: .280 Remington, 6.5 Creedmoor