AR UPPERS
AR 15 Upper Receiver
We have Complete AR15 Upper Receivers including barrels, buttstocks, buffers, spring tubes, and the correct gun parts kits for installation on your lower receiver. Whether you’re building your own or customizing an existing AR, we’ve got the supplies to meet your AR15 Upper Receiver needs. Browse our many calibers, from 5.56mm NATO and .300 AAC Blackout to pistol calibers like 9mm. Have fun, and let your imagination go wild with the possibilities. Some shoppers buy multiple different receivers all at once to give themselves variety and versatility for their AR rifles or AR pistols. Shop for Aero Precision AR15 Upper Receivers, TRYBE Defense AR15 Upper Receivers, Daniel Defense AR15 Upper Receivers, and tons of other high-quality AR 15 Upper Receiver
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