GHK GBB 20rd MK12 Magazine (Green Gas) color-dual-tone-orange It utilizes the open-top design

It utilizes the open-top design with bungee cords to hold the mags in place

it feels like you're shooting the real deal until you remember that you're just shooting 6mm plastic BBs and not 5

Featuring the same industry leading barrel nut and lock up design as originally introduced on BCM's evolutionary KMR handguard

Programmable Digital Fuse Sensor-based current monitoring negates the need for a physical fuse

Electronically Controlled Gearbox: The new gearbox is controlled by an ECU to help reduce the number of electrical and mechanical parts

GHK GBB 20rd MK12 Magazine (Green Gas) color-dual-tone-orange It utilizes the open-top designThe GHK MK12 Green Gas Magazine is a 20 round first party magazine designed for all GHK M4 AR15 G5 series gas airsoft rifles. This magazine is also fully licensed by Colt. Capacity: 20 Rounds Compatibility: GHK M4 AR15 Gas Airsoft Rifles GHK G5 Gas Airsoft Rifles Includes: x1 GHK MK12 Green Gas Magazine (20 rds Airsoft Magazine) Compatible with GHK M4 G5 MK18 URGI GBBR