Whether you want the smoothest shooting carbine possible or are looking for added reliability while shooting hotter loads or suppressors, CMMG’s Action Tuning Kit* gives you the added flexibility to make the MkG/MkGs GUARD perform exactly how you like it. The optional Action Tuning Kit allows you to adjust the action to your preference much like changing buffers or changing gas port settings on an adjustable gas block.
– 1oz weight
– 2oz weight
– 3.4oz weight (standard 9mm)
– (3) .250″ x .625″ roll pins
Firearms may only be shipped to a licensed dealer (FFL Holder). Actual buyer must pick up from FFL dealer who will conduct the background check. Some listed items may not be legal in every state. We will not sell firearms to residents of CA or NY. Buyer assumes responsibility of knowing purchase laws in their state. You must be at least 18 years of age to purchase a rifle, and 21 years of age to purchase a handgun or receiver. A CMMG Representative will contact you after your order has been placed to facilitate the transfer.
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