Ryohin Buhin T8 Reinforced Nozzle Return Spring for Tokyo Marui MWS (120% Reinforced) (for TM GBB M4 Series)

Compatible Airsoft Guns: Tokyo Marui Gas Blowback Machine Gun (GBB) M4 Series (M4A1 MWS / M4A1 Carbine / CQBR Block 1 / Mark 18 Mod 1 / MTR-16) This is a reinforced nozzle return spring made by T8 for the Tokyo Marui Gas Blowback Machine Gun M4 Series. This reinforced and improved spring features rounded ends to eliminate double feeds and feeding problems caused by nozzle retraction. Use as a repair or upgrade part in case of damage. *This is an internal GBB part. Installation requires knowledge of airsoft gun disassembly and adjustment. Recommended for advanced users.