Windham Weaponry 16in Mid Length Receiver with POF Adjustable Gas Block

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This Complete Upper Receiver Assembly is a limited edition offering. It features our mid length 16” barrel with POF adjustable gas block and Windham Weaponry 13” MLOK  compatible free float handguard.  The highly accurate 16″ Mid-length Barrel is Chrome Lined and machined from 4150 Chrome Moly Vanadium 11595E Steel. Rifling is 1 x 7″ Right Hand Twist and phantom 5C1 flash suppressor. The barrel extension has the M4 style feed ramps. The machined aluminum picatinny rail flat top upper is complete with bolt carrier assembly  forward assist, ejection port cover and charging handle.

CALIFORNIA RESIDENTS ONLY – WARNING: Cancer and Reproductive Harm –


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