The gold standard of benchrest accuracy for three decades. A small, efficient case firing light 6mm bullets at high velocity with extreme consistency.
Type: Rifle
Introduced: 1974, United States
Parent case: .220 Russian
Standardization: CIP
Bullet diameter: 0.243" (6.17 mm)
Case length: 1.515" (38.48 mm)
Overall length: 2.17" (55.12 mm)
Max pressure: 58,700 PSI
Rim type: Rimless
Primer: Small Rifle
Typical twist rate: 1:14
Muzzle velocity: 3100–3400 fps
Muzzle energy: 1325–1743 ft-lbs
Effective range: 600 yd
Common bullet weights: 62, 65, 68 gr
Primary use: Competition, Target, Varmint
Production status: Active
Also known as: 6 PPC · 6mm PPC-USA
History: Developed in 1974 by Dr. Louis Palmisano and Ferris Pindell from the .220 Russian case (itself necked from 7.62x39mm). The 6mm PPC won more benchrest world records than any other cartridge in history — it dominated 100-yard and 200-yard group competition from the mid-1970s through the 2000s. Lapua began producing premium brass that set the standard for case consistency. CIP standardized it as the…
Notable firearms: Anschutz 54, Sako L46 Benchrest, Kelbly Panda, Stolle Panda, Borden Rimrock
Similar cartridges: 6mm BR Norma, 6mm Dasher, .22-250 Remington