Guarder Steel Valve Knocker for Marui/KJ Glock GBB Series L MK Length 680mm / 755mm (Extended)

Length 680mm / 755mm (Extended)

the receiver housing was strengthened

modification may need for installing this kit on the other brand M4 GBB Series

- MAGPUL PTS MOE Pistol Grip (MAGPUL-047) - Storage Compartment for small objects or batteries

inner organizer for smaller objects and tools

Guarder Steel Valve Knocker for Marui/KJ Glock GBB Series L MK Length 680mm / 755mm (Extended)Guarder Steel Valve Knocker Replace the standard valve knocker of airsoft pistol magazine Steel Construction Design for Tokyo Marui G17, G18C, G26 KJ Works G23 G27 Series Airsoft Gas Blow Back GBB Pistol As always, upgrading GBB require necessary skill & technique, consult expertise if needed SKU G GLOCK 50 Item Weight (gram) 5 Major Color Silver Built Material Steel Manufacturer Guarder