Gibbz Gas Piston Bushing
$16.00
Out of stock
– Gas Piston Bushing for GIBBZ Arms G4 side charging upper receiver
– Guides the piston rod used in many aftermarket Gas piston kits
– Over twice as long as bushings supplied with most kits
– Replaces the steel insert that normally holds the gas tube in a G4 Upper
– Simply unscrew the steel insert and screw in the bushing