Remington Premier Match .308 Winchester 175 Grain Centerfire Rifle Ammo is loaded with Sierra MatchKing and loaded to exacting tolerances for precision accuracy at long range. MatchKing bullets feature a hollow-point, boat-tail design that produces an extremely high-ballistic coefficient. Premier Match cartridges feature premium brass cases, optimum powder loads, and non-corrosive primers. High-ballistic coefficient Brass cases Non-corrosive primer