CMMG .22LR Barrel & Bolt – 4.5″
Barrel and Bolt Group Kit, 4.5″ MT 4140CM, 22LR
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.
Note: your jurisdiction may require you to be a licensed FFL or licensed gunsmith to purchase this product.
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