AR-15 300 AAC BLK 10.5" Nitro-Met Quad Upper Assembly with Socom Style Brake - Experience unparalleled shooting performance with Moriarti Armaments' 300 Blackout Upper, crafted with meticulous attention to detail to ensure precision and reliability. This is the key to unlocking a truly potent shooting experience. It is a perfect addition to your AR-15 build. All you need is a case of ammo to change your standard AR 5.56 to a new 300 Blackout upper.
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