AR Upper Parts
- AR Barrels Add to cart
CMMG 300 Blackout 16.1 inch barrel sub-assembly with pre-installed M4 barrel extension and factory head spacing for custom AR15 builds. Ready to assemble with all critical components properly fitted.
$210.00In Stock - AR Barrels Add to cart
CMMG 300 Blackout upper assembly with 16.1 inch barrel, pre-installed M4 extension and factory headspaced for immediate AR15 integration. Purpose-built for custom builds without guesswork.
$210.00Low Stock - AR Barrels Add to cart
CMMG 300 Blackout 8″ barrel sub-assembly comes pre-headspaced with M4 extension installed, ready to build your custom AR-15 upper. Black Nitride 4140 Chromoly Steel construction in pistol length with medium taper profile.
Original price was: $186.00.$174.00Current price is: $174.00. SALEIn Stock - AR Barrels Add to cart
CMMG’s 350 Legend 16.1″ barrel sub-assembly features a pre-installed, head-spaced M4 extension in durable 4140CM steel with SBN Finish for your custom Mk4 build.
$200.00Low Stock - AR Barrels Add to cart
CMMG 55DE10A barrel sub-assembly features 4140 chromoly construction with salt bath nitride finish for reliable performance and corrosion resistance. Complete upper group component with M4 profile, 16.1″ barrel, carbine-length gas system, and 1/2″-28 TPI muzzle thread for AR-15 builders.
$202.00Low Stock - AR Bolt Carrier Groups Add to cart
CMMG’s patented Radial Delayed Blowback system reduces felt recoil while maintaining full compatibility with standard AR-15 uppers and lowers. This 5-inch 5.7x28mm barrel and BCG kit delivers less recoil than conventional blowback designs.
$427.00Low Stock - AR Bolt Carrier Groups Add to cart
CMMG 5.7x28mm 8-inch barrel and bolt kit delivers compact firepower for AR-15 platforms with 4140 chrome moly steel construction and salt bath nitride finish. Includes radial delayed blowback bolt and 1/2″x28″ threading for quick integration.
$433.00Low Stock - AR Dust Cover Add to cart
CMMG 9mm Ejection Port Cover Accessory Kit keeps dust out and directs spent brass away with included port cover, rod, spring, and gas deflector. Compatible with CMMG 9mm uppers and most standard AR-15 upper receivers.
$15.00Low Stock - AR Charging Handles Add to cart
CMMG AR-15 charging handle assembly for .223 Remington/5.56 NATO platforms, featuring a standard design with latch pre-installed for immediate functionality.
Original price was: $31.00.$27.00Current price is: $27.00. SALEIn Stock - AR Bolt Carrier Groups Add to cart
CMMG AR-15 bolt carrier group engineered to function with either 6.5 Grendel or Hornady’s 6mm ARC cartridge. Compatible with standard AR variants.
$195.00In Stock - AR Handguards Add to cart
CMMG AR-15 A2 Compensator Kit with 1/2-28 threading for 5.56 NATO reduces recoil and muzzle rise for improved shot placement and control. Precision-engineered accessory designed for direct AR-15 platform compatibility.
$13.00In Stock - AR Charging Handles Add to cart
CMMG 22ARC Charging Handle Assembly prevents .22LR casings from jamming in the bolt channel—engineered with reinforced polymer construction specifically for rimfire conversion kits.
$17.00In Stock - AR Barrels Add to cart
CMMG’s 8.6 Blackout barrel sub-assembly delivers corrosion-resistant black nitride finish in a compact 16.10″ profile, compatible with CMMG Mk3 and DPMS Gen 1 High-Pattern LR-308 uppers.
Original price was: $248.00.$234.00Current price is: $234.00. SALELow Stock - AR Barrels Add to cart
CMMG’s patented Radial Delayed Blowback system reduces recoil and BCG weight while maintaining last round bolt hold open in this 16.1″ 5.7x28mm barrel and BCG kit. Compatible with Mk4/mil-spec AR15 uppers and either CMMG Mk57 or standard mil-
$470.00Low Stock - AR Bolt Carrier Groups Add to cart
CMMG Bravo converts your 5.56/.223 AR platform rifle to economical 22 LR with a simple bolt carrier group swap, includes three 10-round magazines.
$210.00In Stock - AR Bolt Carrier Groups Add to cart
Convert your 5.56/.223 AR platform rifle to affordable 22 LR shooting with the CMMG Bravo drop-in kit, complete with three 25-round magazines.
$205.00In Stock - AR Bolt Carrier Groups Add to cart
Transform your 5.56/.223 rifle into a .22 LR shooter with the CMMG Bravo 22 LR Stainless Bolt Carrier Group—a drop-in conversion kit with 25-round magazine included.
Original price was: $175.00.$160.00Current price is: $160.00. SALELow Stock - AR Gas System Add to cart
CMMG Build & Replace 9.1 Inch Gas Tube delivers reliable pistol/PDW performance with stainless steel construction and included roll pin for AR-15 short-barrel builds.
$17.00In Stock
