With subsonic velocities, the Total Metal Jacket bullet and lead-free primers, Blazer Clean-Fire Suppressor delivers optimal performance through suppressed handguns and carbines. The accurate loads leave less fouling in the barrel and suppressor to minimize maintenance and maximize your time at the range. Blazer Clean-Fire Suppressor also meets power factor requirements for competitive shooting. TMJ bullet Lead-free primer Less fouling in the barrel and suppressor Meets power factor Product Specifications Caliber: 45 ACP Bullet Weight: 180 Grain Bullet Type: TMJ Muzzle Velocity: 970 fps Muzzle Energy: 376 ft-lbs Quantity: 50 Rounds per Box