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: 9mm Bullet Weight: 147 Grains Bullet Type: Total Metal Jacket (TMJ) Muzzle Velocity: 900 fps Muzzle Energy: 264 ft-lbs Quantity: 50 Rounds per Box