Ammunition Specifications Caliber: 30-30 Winchester Bullet Weight: 170 gr Bullet Style: Nosler Partition Muzzle Velocity: 2200 fps Quantity: 20 Rounds per Box You spend all year dreaming of the moment of truth why trust it to anything less than the best. Vital-Shok in 30-30 Winchester is available with the world s finest big game bullet from Nosler. Match that with world-class brass, select powders and legendary primers and you get ammunition you can truly believe in.