6.5 Creedmoor vs 308: Same SAAMI Pressure, and the Bullet Does the Work
Under SAAMI the 6.5 Creedmoor and the .308 Winchester carry the identical 62,000 psi maximum average pressure. The .308 starts with more muzzle energy; the 6.5 recoils less. Match the bullets and the .308 wins at 1,000 yards — on the makers’ own published numbers.