CMMG .22LR Conversion Bolt Carrier Group

Transform your standard 5.56 NATO or .223 Remington rifle into a rimfire plinker with the CMMG .22LR Conversion Bolt Carrier Group (22BA60F). Designed for maximum convenience and cost savings, this drop-in conversion unit lets you shoot inexpensive .22LR ammunition using your existing AR-15 upper receiver and barrel without any permanent modifications.

Installation is simple: swap out your standard 5.56 bolt carrier group for the CMMG .22LR conversion BCG, load a compatible CMMG .22LR magazine, and you are ready for affordable range practice, training, and target shooting. Manufactured to strict quality standards, it ensures reliable cycling while preserving the feel and ergonomics of your primary rifle setup.

• Drop-In Installation: Quickly converts any standard 5.56/.223 upper receiver into a .22LR shooter simply by swapping the bolt carrier group.
• Cost-Effective Training: Allows high-volume target practice and drill repetition using low-cost .22LR rimfire ammunition.
• Magazine Compatibility: Seamlessly pairs with CMMG .22LR magazines for reliable round feeding.
• No Permanent Modifications: Preserves original upper receiver setup; easily swap back to 5.56 BCG at any time.
• Standard Barrel Compatibility: Engineered specifically for standard 5.56 NATO / .223 Rem barrels (Note: NOT compatible with dedicated .22LR barrels or dedicated .22LR uppers).