Our take: This high quality, high capacity 300-Round DBoys Thermal-Molded ABS M4/ M16 magazine is similar to the magazine used by the Canadian military in their C7 rifles. Capable of storing just over 300 rounds, this is the perfect back up high capacity magazine for intense airsoft battles!
Construction: ABS Polymer
Compatibility: Echo 1, JG, ICS, DBoys, G&G, Classic Army & TM M4/M16 AEGs
Operation: Gear wind-up
Includes: 1x 300-Round DBoys Thermal-Molded ABS M4/ M16 magazine