Description
This CMMG Barrel and Bolt Kit has the key components of what you need to convert your existing upper to a dedicated .22LR. 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. 9″ Barrel length 4140 Chrome Moly Salt Bath Nitride Finish inside and out 1:16 Twist 22LR Sporting Chamber Threaded 1/2-28
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