Everything you need to convert your existing upper to a dedicated .22LR. Just purchase a magazine and you are ready to go. For best performance use a round style hammer as notched hammers can cause function issues and 36 grain plated nose bullets have proven to be the best choice for function.

20″
Government Profile
4140 Chrome Moly
Salt Bath Nitride Finish inside and out
1:16 Twist
22LR Sprorting Chamber
Threaded 1/2-28
.750″ Rifle length Journal

CMMG, 20″ Barrel and Bolt Group Kit, GP 4140 CM SBN, fits 22LR

  • Brand: CMMG
  • Product Code: CMMG-22BA6B6
  • Availability: Out of Stock
  • $374.99 USD