Description
CMMG Barrel and Bolt Group Kit, 4.5" 22 Long Rifle
Everything you need to convert your existing upper to a dedicated .22LR. Just purchase a magazine and you are ready to go.
4.5″
Medium Taper Profile
4140 Chrome Moly
Salt Bath Nitride Finish inside and out
1:16 Twist
22LR Sprorting Chamber
Threaded 1/2-28