30 Cal 147gr Reloading Bullet .30 Caliber Projectile 147 GR Spitzer Boat Tail 500 COUNT These versatile bullets are suitable for reloading a variety of popular once fired .30 caliber rounds including supersonic .300 AAC Blackout cases, 7.62x51 NATO cases, and its civilian counterpart the .308 Winchester. Whether you're reloading once fired brass for range practice, competition, or hunting, these projectiles deliver reliable and consistent performance shot after shot.