[VIDEO] The Serbu Upper Receiver for the AR-15/M-16 at SHOT Show 2015

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Serbu Firearms’ Upper Receive for the AR-15/M-16

-Uses standard AR-15/M-16 bolt heads, extensions, and barrels.
-Entire upper receiver is 7075 aluminum alloy extrusion, hard coat anodized.
-Available in 2 receiver lengths; a short pistol/PDW version and a long carbine/rifle version.
-AK-47 style recoil spring eliminates stock spring, buffer tube and buffer.
-Proprietary bolt carrier and operating rod, piston driven.
-Non-reciprocating charging handle mounts to either left or right side.

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