M4 Cylinder head with pad on the button (short nozzle)

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

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