Tag Archive: Gibbz Arms

Dec 24

Side Charging Upper Receiver for AR Platform

Hickok45 tests¬†the GIBBZ Arms G4 Side Charging Upper Receiver for the AR platform. The lower used is a Colt 6920. The optic is a Vortex SPARC Red Dot. GIBBZ Arms G4 Side Charging Upper Receiver: Patented Side Charging Upper for the AR platform Non-reciprocating¬† Charging handle with detent to keep the charging handle forward during …

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