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AR Parts

Shop premium CMMG AR-15 and AR-10 parts for custom rifle builds. Find complete upper receivers, lower parts kits, bolt carrier groups, barrels, magazines, caliber conversion kits, and more. Build your ultimate AR with genuine CMMG components and accessories.

ZEROED Enhanced Parts
ZEROED Enhanced Parts product

ZEROED Enhanced Parts

Premium upgraded AR parts and accessories

Upper Parts
Upper Parts product

Upper Parts

Build the ultimate AR using CMMGs upper parts

Lower Parts
Lower Parts product

Lower Parts

Build the ultimate AR using CMMGs lower parts

AR Conversions
AR Conversions product

AR Conversions

Convert your AR15 to a 9mm or .22LR

Magazines
Magazines product

Magazines

5 round to 33-round magazines in nearly every caliber you'll need

Radial Delayed Blowback Parts
Radial Delayed Blowback Parts product

Radial Delayed Blowback Parts

Upgrade or maintain your Radial Delayed Blowback pistol or carbine

Repair Kits and Parts
Repair Kits and Parts product

Repair Kits and Parts

Bolt Groups, Charging Handle Assemblies, and more

Rifle Conversion Kits
Rifle Conversion Kits product

Rifle Conversion Kits

Take your AR from pistol to the full 16 inches