Blazer Features Blazer 22 Long Rifle ammo is loaded with a 40-grain bullet that s great for everything from small game hunting to casual plinking. The loads cycle particularly well in semi-automatic rifles. Blazer Specifications Caliber: 22 LR Model: Blazer Bullet Weight: 38 gr Rounds Per Box: 425 Casing Material: Brass Application: Small Game Varmint Bullet Type: Lead Round Nose (LRN) Muzzle Energy: 135 ft lbs Muzzle Velocity: 1235 fps