BOLT B4 MK12 MOD-1 Ret Heavy

BOLT B4 MK12 MOD-1 Ret Heavy

Realistic recoil feedback from the patent pending BRSS system
RIS front end for tactical accessories
Full metal receiver and barrel assembly
Mock bolt with realistic blow back
Reinforced gearbox with heavy duty internal parts
Aluminium alloy 6.01mm tight bore inner barrel
High torque motor
CNC aluminium piston set (w/ full steel tooth

Length: 830mm-910mm
Weight: 3000g
Magazine Capacity: 300rd Hi-Capacity
Thread Direction: 14mm Negative
Gearbox: Ver 2 Full Metal, Fully Upgrade-able
Motor: Long Type
Fire Modes: Semi/Full-Auto, Safety
Hopup: Yes, Adjustable