Available at Big Tex.
SOLGW Stripped AR-15 Blem Receiver Sets | Big Tex Ordnance
Sons of Liberty Gun Works Bolt Carrier Group HPT/MPIBolt:Precision machined from Carpenter Technology No. 158 alloy,Heat treated per mil-spec,Shot peened per ASTM B851/SAE AMS2430S,Vibratory tumbled
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