You can add a keymod section to the 3 sides that have room

4v 350mAh is the perfect size for HPA powered AEGS

This airsoft vest comes with adjustable side straps

・CNC stainless steel

LED power and electricity quantity display

G&P Enhanced Dual Spring Steel Recoil Guide Set for Elite Force GLOCK 17 Gen.4 Airsoft Pistols (Color: Silver) M&P You can add a keymodFeatures Steel guide rod High strength recoil springs Double recoil spring system reduces overall recoil of Airsoft pistol while still providing a snappy feeling Manufacturer: G&P Color: Silver Specifications: Material: Spring Steel, SteelCompatibility: Elite Force GLOCK 17 Gen 4 VFC System Airsoft Pistols w Dual Stage Spring Guides