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WARNING
You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition. 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.
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Looking to build the ultimate 9mm pistol caliber carbine? CMMG has you covered! Utilizing their Radial Delayed Blowback™ operating system not only does this upper create one of the softest shooting 9mm PCCs with style that is unmistakably CMMG® this upper group is designed to work with a number of different lower receivers. From standard AR15 lowers (when used with AR 9 conversion mags) to any of their pistol magazine lowers (Mk9 MkGs and Mk17) you can build your next PCC exactly how you imagine. Available in six different Cerakote finishes all CMMG Upper Groups come complete with bolt carrier group and ZEROED™ accessories including:
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