Description PMCâs Bronze Handgun Ammo is manufactured with the same quality and dependability built into the Starfire ammunition. All PMC cartridges must pass through the rigorous inspection of the electronic powder check station. If the propellant in any cartridge varies by as little as two-tenths of one grain, the system stops, and that cartridge is discarded.PRODUCT DETAILCaliber: 50 BMG Bullet Type: Full Metal Jacket Boat Tail (FMJBT) Bullet Weight: 660 gr Muzzle Energy: 13688 ft lbs Muzzle Velocity: 3080 fps Rounds Per Box: 10 Boxes Per Case: 20 Application: Target,Hunting,Defense Casing Material: Brass Firearms, trailers, and some accessories are only available for purchase in stores. Each location follows all BATF and individual state/county/city laws to insure the desired product is legal for sale. Any info provided online is subject to change, please go to your local store for more accurate information.