SIG SAUER Marskman 5.56x45mm NATO 77 Grain Elite Open Tip Match Centerfire Rifle Ammunition

5.56X45mm OTM (open-tip match), 77-grain cartridge. This ammo features a Sierra MatchKing boat-tail projectile, dependable primers, brass case, and clean-burning propellants for repeatable, unrivaled accuracy. Specifications for SIG SAUER Marskman 5.56x45mm NATO 77 Grain Elite Open Tip Match Centerfire Rifle Ammunition: Manufacturer: SIG SAUER Cartridge: 5.56x45mm NATO Number of Rounds: 20 Bullet Type: Jacketed Hollow Point (JHP) Bullet Weight: 77 grain Cartridge Case Material: Brass Muzzle Velocity: 2750 ft/s Muzzle Energy: 1293 ft-lbs Application: Competition, Training Package Type: Box Included Accessories: Standard Primer Style: Centerfire G1 Ballistic Coefficient: 0.362 Package Contents: SIG SAUER Marskman 5.56x45mm NATO 77 Grain Elite Open Tip Match Centerfire Rifle Ammunition