Guns Modify CNC Aluminum 7075 Blowback Housing for Marui M45A1 GBB #GM0475Fit for Marui M45A1 GBB Design For Upgrade the Original Part More Durable Material: CNC 7075 Aluminum Color: Silver Item# GM0475

- CNC Aluminum T-style RMR Cut Slide (Tactical Shiny Silver )

Easier to release pistol slide on both sides

- Design for New type Marui M45A1 GBB system- Fit for Marui Airsoft M45A1 GBB series

Material: Nylon/Stainless

Trident Sear Spring was made by high electrical spring steel which provide lighter and much crispy trigger pull feeling

Fit for Marui/Guns Modify/UMAREX G18C  G-Series

Ultra lightweight design

- New Design Full Metal 25 round Loading Capacity One-Piece Magazine (Increase 20% of gas capacity) Ready for Green Gas (HFC22)

Manufacturer: 5KU

Kits Included: Slide/Outer Barrel/Recoil Spring Guide/Adjustable Sight/Number Tag

M1913 20mm stock adapter

Sapphire Windows