About 5KU: 5KU is an overseas airsoft parts and upgrades manufacturer specializing in creating precision machined internal gearbox parts, as well as gas blowback components. 5KUâ€™s internal gearbox components are constructed to strict tolerances, ensuring perfect fitment in all compatible airsoft gearboxes. All of 5KUâ€™s internal gearbox upgrade components greatly improve the performance of your stock airsoft gun. Airsoft Megastore offers 5KU parts and accessories for the LOWEST price on the market, guaranteed!
1X Vertical Foregrip
Keymod Style Rails
Product has been added to your shopping cart.