Upgrade your airsoft sidearm's reliability with the 5KU Stainless Valve Knocker Lock for MARUI Hi-Capa GBB. Engineered for demanding airsoft competitors and enthusiasts alike, this precision-crafted part ensures smooth operation and consistent performance for your MARUI Hi-Capa and compatible M1911 gas blowback pistols.

• Durable machined stainless steel construction
• Highly polished surface reduces internal part friction
• Custom fit for Marui Hi-Capa / M1911 GBB series
• Enhanced longevity for frequent use under stress
• Direct replacement for OEM valve knocker lock mechanisms