PTS Fortis REV (TM) II Free Float Rail M LOK System 12 inch Handguard (With Gas Block, for GBB) Part-Type_Hop Up Chamber please consult with your airsoft

please consult with your airsoft technician if needed

62 105mm CNC Steel Muzzle Brake

Full Automatic Shooting Mode with EBB Electric Blow Back System (Slides moves back on each shot)

Reinforced cylinder

Length: 12

PTS Fortis REV (TM) II Free Float Rail M LOK System 12 inch Handguard (With Gas Block, for GBB) Part-Type_Hop Up Chamber please consult with your airsoftThe Fortis REV II rail system is rugged, lightweight, free float railsystem for most airsoft M4 guns setups. The REV II rail is installed with astandard barrel nut and offers 12 inches of continuous 1913 mil spec picatinnyrail along the top of the rifle that feels and looks like a completelymonolithic (one piece) upper. Anti rotation tabs integrated into the insidediameter of the rail system ensures that the rail stays locked in position