Cor Bon Performance Match .308 Winchester 185 grain Boat Tail Hollow Point 20 Rounds Rifle Ammo. Manufactured to exacting tolerances" Performance Match will give you the upper hand in accuracy dependent strategic applications. target shooters" as well as competitors will get the best bang for their buck. Specifications for Cor Bon Performance Match .308 Winchester 185 grain Boat Tail Hollow Point Rifle Ammunition: Manufacturer: Cor Bon Caliber: .308 Winchester Number of Rounds: 20 Bullet Type: Boat Tail Hollow Point (BTHP) Bullet Weight: 185 grain Package Contents: Cor Bon Performance Match .308 Winchester 185 grain Boat Tail Hollow Point Rifle Ammunition