CMMG Barrel and Bolt Group Kit, 20" GP 4140 CM SBN, 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.
Features and Specifications:
Manufacturer Number: 22BA6B6
4140 Chrome Moly
Salt Bath Nitride Finish inside and out
22LR Sprorting Chamber
.750" Rifle length Journal