Out of stock
SKU: CA57B40E4AB
UPC: 810097504318
MPN: 57B40E4-AB
Personal defense calibers like 5.7x28mm have become a big thing in the last few years and if you’re looking for PDW ballistics and the classic style and balance of a carbine then you’re in luck. Combine this RESOLUTE® Upper Group with either our Mk57 Lower or a standard AR15 lower group and CMMG®’s 5.7 AR Conversion Magazines and you’ll be ready to hit the range! Available in six different Cerakote finishes all CMMG® Upper Groups come complete with bolt carrier group and ZEROED™ accessories including:
WARNING ⚠️
You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition and firearms. Please reference our requirements for ammunition orders to "restricted" states HERE. Always make sure you use the correct ammunition for your firearms. Ammo cannot be shipped to a PO Box. Please reference state & local laws before making a firearm or ammunition purchase.
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