10.5″ Railed Upper Build Kit with USB

Every Build Kit is made by PSA and includes everything needed to build an AR-15 with a 10.5″ M-LOK upper MINUS the lower.

USB comes with Hoffman Tactical’s AR-15 Super Lower file.


**Muzzle device may vary. All sales are final. Ships now**

This product is currently out of stock and unavailable.

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