A 6.8 SPC upper build assembly is a complete upper receiver unit for AR-15 rifles, designed for the 6.8 SPC (Special Purpose Cartridge) caliber. It typically includes the upper receiver, 6.8 SPC barrel, handguard, gas system (gas block and tube), and may also feature a bolt carrier group and charging handle. This assembly works with AR-15 lower receivers, 6.8 SPC magazines, buffer systems, and other standard AR-15 components, making it ideal for custom rifle builds, caliber conversions, and enhanced hunting or tactical performance.
Filter
  • 6.8 SPC 15 inch Keymod WITH BCG and Charging Handle

    6.8 SPC 15 inch Keymod WITH BCG and Charging Handle
    5.00 out of 5

    Elevate your outdoor adventures with our American-made 6.8 SPC 15-inch Keymod Rifle. Crafted from durable 4150 chrome molly stress-relieved steel, this rifle offers exceptional accuracy with its 1×10 twist rate….

    Original price was: $429.95.Current price is: $370.95.

    Out of stock
    Read more
    Quick View