CMMG 4.5 Inch 22LR Barrel and Bolt Group Kit

Everything you need to convert your existing upper to a dedicated .22LR. Just purchase a magazine and you are ready to go.

Features and Specifications:
Manufacturer Number: 22D5B6E
4.5″
Medium Taper Profile
4140 Chrome Moly
Salt Bath Nitride Finish inside and out
1:16 Twist
22LR Sporting Chamber
Threaded 1/2-28