Just swap this drop in conversion with the bolt carrier group from your 5.56/.223 chambered rifle and you will be ready to shoot .22LR. Ships with 25rd 22LR magazine. 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.
22LR AR Echo Conversion Kit
CMMG
Gun Stuff/Rifle Parts/Conversion Kits
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$229.30
CMMG-22LRARCKITECHO
815835017136
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