CMMG

CMMG Barrel and Bolt Group Kit, 4.5"   22 Long RifleEverything you need to convert your existing upper to a dedicated .22LR. Just purchase a magazine and you are ready to go.4.5″ Medium...

CMMG Barrel and Bolt Group Kit, 16.1" 5.7x28mm The 5.7x28mm Barrel and BCG Kit allows you to build an AR in 5.7x28mm using CMMG’s patented Radial Delayed Blowback operating system. Unlike...

CMMG’s 5.7 AR Conversion Magazine holds 32 rounds of 5.7x28mm and fits in any standard AR15 lower receiver. To use, simply attach a CMMG 5.7x28mm Radial Delayed Blowback complete upper receiver...

CMMG Barrel and Bolt Group Kit, 8" 5.7x28mm The 5.7x28mm Barrel and BCG Kit allows you to build an AR in 5.7x28mm using CMMG’s patented Radial Delayed Blowback operating system. Unlike...

CMMG Barrel and Bolt Group Kit, 16.1" 5.7x28mm The 5.7x28mm Barrel and BCG Kit allows you to build an AR in 5.7x28mm using CMMG’s patented Radial Delayed Blowback operating system. Unlike...

.350 Legend 20 Round Capacity Stainless Steel Body, Black Finish Anti-Tilt Follower

Perfect for building your custom 9mm AR15 upper group.16.1″ M4 Profile 4140 Chrome Moly Salt Bath Nitride Finish inside and out 1:10 Twist 9x19mm NATO Chamber Threaded 1/2-36 ...

Perfect for building your custom AR15 upper group. Comes with properly installed M4 barrel extension. All barrel sub-assemblies are properly head spaced.16.1″ M4 Profile 4140...

Perfect for building your custom Mk4 upper group. Comes with properly installed M4 barrel extension. All barrel sub-assemblies are properly head spaced. Made of 4140CM with a SBN Finish.CALIBER: .350...

Perfect for building your custom AR15 upper group. Comes with properly installed M4 barrel extension. All barrel sub-assemblies are properly head spaced.16.1″ Multi Role Profile 4140 Chrome Moly...

Perfect for building your custom AR15 upper group. Comes with properly installed M4 barrel extension. All barrel sub-assemblies are properly head spaced.16.1″ Medium Taper Profile 416...

Perfect for building your custom AR15 upper group. Comes with properly installed M4 barrel extension. All barrel sub-assemblies are properly head spaced.16.1″ Medium Taper Profile 4140 Chrome...