PMC combined the exceptional performance of their X-TAC ammunition with the world-class ballistics of Sierra Bullets in their .223 Remington and .308 Winchester cartridges to develop the X-TAC MATCH. BULLET TYPE: OTM WEIGHT: 77 grain BALLISTICS (barrel length: 20 inches) VELOCITY (feet per second) Muzzle: 2790 100 Yds: 2561 200 Yds: 2344 300 Yds: 2137 400 Yds: 1941 500 Yds: 1757 ENERGY (foot-pounds) Muzzle: 1296 BULLET PATH (inches) Muzzle: -1.5 100 Yds: +1.90 200 Yds: 0 300 Yds: -8.3 400 Yds: -24.1 500 Yds: -49.3 Ballistic Coefficient 0.372 Bullet Length Mfg: Pmc Ammunition