The CMMG .22LR conversion kit allows the use of inexpensive .22LR caliber rim-fire Ammo in your AR-15. You can install this in 60 seconds, by just removing the standard bolt/carrier group from your AR and replacing it with the CMMG .22 bolt device. This unit is blow-back operated and allows semi-automatic firing that can be used with AR’s chambered in 5.56/.223 only. It is compatible with piston-systems. Always make sure your firearm is unloaded prior to any modifications!
(CMMG AR-15 .22 LR Stainless Steel Conversion Kit Link:
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