Both of the gearbox parts are centered by milled grooves and edges

Grooved handguard allows for better grip when pumping the shotgun

☆Want even more slugs for your SGR-12

Removable RMR mount plate on slide for optional red dot sight installation

- aluminum

NexxSpeed 180% Enhanced Nozzle Spring - Tokyo Marui Hi-CAPA 4.3 / 5.1 / Gold Match / 1911 Lonex Both of the gearbox partsThe Enhanced Nozzle Spring is made from stainless steel for increased durability. 180% stiffer than stock springs, helping to speed up the cycle. Included: 2 x 180% Enhanced Nozzle Spring Usage: Use for Tokyo Marui Hi CAPA 4. 3 5. 1 Gold Match 1911