Heavy duty design yet extremely lightweight for mobility and longevity in combat (Fiber-reinforced nylon polymer receiver, hand guard, top cover, stock and bipod)
Compatible with most A&K and A&K clone metal M249 series components
Version 2 Metal gearbox with quick spring change design
Quick change spring, lipo ready internals, and Marui M4 system compatible for easy tune-up, repair, and upgrade
Aluminum alloy barrel assembly with metal locking mechanism
