M4 Cylinder head (short nozzle)

SHS M4 Cylinder head with O ring on the button (short nozzle)

-- 7075-T6 aluminium alloy construction, High strength
--CNC machining, high precision
--Dual O-Ring design for better air sealing 
--O-Ring cushion to absorb shock 
--Rose red color
--For AEG Ver. 2 gear box (M4\M16\G3\MP5\SCAR\KAC PDW\MASADA\SR25\AR10)