Tokyo Marui M4 Hop Unit U Shaped Spacer for Marui M4A1 Socom Carbine/ M4 AEG (# NGM4-119)

Tokyo Marui M4 Hop Unit U Shaped Spacer for Marui M4A1 Socom Carbine/ M4 AEG (# NGM4-119) Polymer Construction Design For Replace the Original Parts Suitable For Tokyo Marui M4A1 Series AEG Rifle Airsoft Guns