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Federal XM33 .50 BMG ammo contains 10 cartridges. Each cartridge is equipped with a 660gr full metal jacket bullet, which provides for higher muzzle velocities. In fact, the XM33 load features a velocity of up to 2910 fps. Every cartridge in this box of 10 is has brass cases, allowing you to reload your own 50BMG rounds for either your preferred loading or to XM33 specifications.
With the XM33 round being the standard full-metal jacket round for all 50BMG chambered weapons in the US military, you can count on reliability and performance with every round fired.