Tokyo Marui HI-CAPA 5.1 GBB AirsoftBuilt Material: ABS Engraved "OPS MRP CAL 4. 5" Marking Magazine Capacity: 31+1 Length: 222mm System: Gas Blowback Hop Up Muzzle Velocity: 210 230 FPS w 0. 2g BBs & 134a Package Includes: Gun, Magazine, Manual

- Design for Replace the Original hop Up Chamber

- Increase the shooting power of each shot

Work perfectly for both single-point and two-point sling

- Aluminum front Sight x 1

Stainless Steel Construction

- Material : ABS

For UMAREX/VFC VP9 GBB Gas Blowback System

- GunsModify Zero Hummer Set Installed

- Item# GM0021

mounting on slide lock & grip side hole directly

For TM TOKYO MARUI G-Series

- Material: Aluminum