Aluminium cylinder head for M4 EBB
The King Arms High Quality Accesories is series of high quality airsoft internal parts for users to customize their own guns. All parts are reinforced and were designed and build precisely, which help users to improve and maintain the shooting power and accuracy of their rifles.
Aluminium cylinder head equipped witch oil & friction resistant o-ring and buffer rubber.
Fit to Marui M4 EBB