Complete AR-15 10.5" 300 Blackout Pistol Upper with M-Lok Free Float;This upper includes a 10.5 inch 1:8 twist barrel tipped with an A2 flash hider/suppressor suppressor threaded 5/8"-24. A3 billet upper receiver comes with forward assist and ejection port cover installed. The barrel and receiver have matching M4 feed ramps. Mil-spec charging handle and heavy duty M16 bolt carrier group included. Comfortable 10" free floating M-Lok hand guard. The gas system is pistol length (with a low-profile micro gas block) allowing for trouble free use of all sub-sonic, super-sonic and whisper ammo. This high quality upper is a perfect fit on any 5.56 or multi-cal AR-15 lower. Swap the complete upper and you're ready to shoot!  

Comes with the Barrier Defense lifetime warranty! 

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