KWA KM4 Parts are top quality OEM parts for your KWA M4 airsoft gun. These parts fit the KWA CQR AEGs and SR7, SR10, and KM4 RIS airsoft guns. Repair your KWA M4 with parts guaranteed to fit.
The KWA KM4 Rear Receiver Pin is the rear body pin for KWA M4 AEGs. Part 121: the receiver pin screw is sold separately.