Introduced in 2012, the Mil-Sport M4 Carbines became instant hits among customers looking for top quality AR-15 style rifles with forged aluminum receivers. Fine-tuned with many popular features, these U.S.-built beauties perform perfectly right out of the box.

Our Mil-Sports also include a magazine!Forged Aluminum Upper ReceiverBillet Aluminum Lower Receiver16″ Nitride Barrel10″ Free Float Keymod Rail6 Position Roger Superstock31 RD Magazine.

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