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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Start your AR10 upper build with looks and quality like no other. The CMMG® Mk3 upper receiver assembly based on the DPMS LR308 gen1 high-pattern design gives shooters an AR10-style platform with the widest range of compatible parts and accessories on the market. Each receiver comes with a CMMG ZEROED® Mk3 Polymer Dust Cover pre-installed.
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