M4 MK12 MOD1 CRANE STOCK BLACK BOLT (BOLT-MK12RET-BK)

SPECIFICATIONS:
Construction material Aluminum / ABS, nylon, fiberglass and steel
CNC machined aluminum ris
Metal body
Shooting modes Semi, Full-auto
Magazine capacity 300 rnd
Length 965-1055 mm
Weight 3500g
Compatible with standard VER II spare parts
Reinforced gearbox
Aluminum piston with all steel teeth
Steel gears
Motor: high torque long shaft
Precione barrel (standard) diameter 6.03 mm
Adjustable hop-up
With Blow-back & Recoil System BRSS HEAVY ** (active blowback and recoil)
Power in joule (as per current legislation)
Power supply: 7.4V-9.9V
Black colour

Version 4.0
Improved blowback system and various components.

** the BRSS system offers a realistic recoil accentuated more in this latest version.