G&G GPM9 MK3 GBB Pistol

G&G GPM9 MK3 GBB Pistol 1:1 Ratio realistic gas blow back airsoft guns pistol Gas Blow Back Pistol with Semi-Automatic Shooting Mode Metal Slide & Frame Polymer Non-Slip Texture Grip Cover Metal Outer Barrel Metal Trigger, Slide Catch, Safety & Hammer Metal Front & Rear Sight Accessory Rail on the Bottom for the Mounting of Flash Lights and Lasers Air flow technology that makes the pistol frost resistance, and an enlarged gas valve Metal 25 Rounds Loading Capacity Magazine Adjustable Hop-Up (120 click, each click will push down the nub by 0.0075mm