Winchester Match 308 Winchester 169gr Hollow Point Boat Tail Rifle Ammo - 20 Rounds - For serious rifle competition, trust Match ammunition. Combining proven Winchester technology with proven bullets, the hollow point boat tail design provides the precision match shooters demand, shot after shot. Designed for use in rifles equipped with fast twist (1:7in to 1: 9in) barrels Proven performance and extreme accuracy on the range Sleek profile, large boattail and small hollow point maximizes long-range accuracy