CMMG 22D5B6E .22LR Conversion Kit 4.5" Barrel & Bolt
Convert your AR-15 upper to .22LR with this CMMG barrel and bolt group kit. Features 4.5" chrome moly barrel with nitride finish, 1:16 twist, and threaded muzzle. Add a magazine and you're ready to shoot.
Fits: AR-15
Transform Your AR-15 into a .22LR Trainer
The CMMG 22D5B6E barrel and bolt group kit gives you everything needed to convert an existing AR-15 upper receiver into a dedicated .22LR platform. Simply add a compatible magazine and you're ready to shoot.
Specifications
- Caliber: .22LR
- Barrel Length: 4.5 inches
- Profile: Medium Taper
- Material: 4140 Chrome Moly Steel
- Finish: Salt Bath Nitride (inside and out)
- Twist Rate: 1:16
- Chamber: .22LR Sporting
- Muzzle: Threaded 1/2-28
Performance Notes
For optimal reliability and function, CMMG recommends using a round-style hammer rather than a notched hammer, which can cause feeding issues. Testing has shown that 36-grain plated nose bullets deliver the best performance in this platform.
Why Choose This Kit
Conversion kits like this are ideal for shooters who want an economical way to practice fundamentals, train new shooters, or simply enjoy high-volume shooting sessions without the cost of centerfire ammunition. The .22LR's minimal recoil makes it perfect for developing proper shooting technique.
