KJ Works M9A1 CO2 FULL METAL GBB Pistol m4 and 20 inch barrel models

and 20 inch barrel models

Not Include HPA Tank & Battery (Sold Separate)

Tokyo Marui G3 SAS AEG

Loosen the adaptor about 1/2 - 3/4 turn

KJ Works M9A1 CO2 FULL METAL GBB Pistol m4 and 20 inch barrel modelsKJ Works M9A1 CO2 FULL METAL GBB Pistol 1: 1 Ratio realistic gas blow back airsoft pistol FULL METAL SLIDE & BARREL ASSEMBLY Powerful CO2 offer 330 FPS out from the box Gas Blow Back Pistol with Semi Automatic Shooting Mode Extreme smooth slide cycling with clicks & clacks metal sound Strong recoil feel (better hold with both hands) Special type magazine accommodate one cartridge of CO2 tank 21+1 Rds Loading Capacity Magazine Also Compatible with Top