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Shop for MCX

Shop for a variety of fully built AR-15 upper receivers with varying barrel lengths as short at 5.5" and as long as 18". We stock and sell uppers from Advanced Armament, Spikes Tactical, Sig Sauer, Primary Weapons Systems, Tactical Solutions, Blackheart International, and Troy Industries.

AR-15 upper receivers are offered in quite a few calibers and we carry many including .22lr, 5.56 Nato, .300 Blackout, 5.7x28, and 9mm.

2 Item(s)

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2 Item(s)

per page

Shop for MCX

Minimal Price: $ 1,489.99 1489.99