The 6.8 SPC (6.8mm Remington Special Purpose Cartridge)was developed in collaboration with the US Army Marksmanship Unit to deliver improved lethality over the 556 NATO cartridge on the M16/AR15 platform.  The 6.8 SPC outperforms 556 NATO, 7.62x39, and 5.45x39 Soviet cartridges in most respects out to 500 yards.  6.8 SPC operates well in short-barrel, close quarters combat configurations in addition to long range situations, making it an extremely versatile round.  The 6.8 SPC bolt carrier group is compatible with 224 Valkyrie, however magazines designed specifically for 6.8 SPC are recommended.

Any 6.8SPC Upper Receiver we sell can be configured to your specifications before adding it to the cart.  We offer matched muzzle devices, rails, bolt carrier groups, magazines, and charging handles to make your 6.8 SPC Upper Assembly turn key and ready to shoot out of the box.

AR15Parts.com components are sourced from top US manufacturers including Aero Precision, Anderson Manufacturing, Ballistic Advantage, Shaw Barrels, Swan Machine, Wilson Arms, Wilson Combat, ZRO Delta, and others. Each upper assembly has options to select Rail, Muzzle Device, Bolt Carrier Group (BCG), Charging Handle, and Magazine. Additional parts are available individually on our website.

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