C&C Tac Steel Barrel Nut Spacer for Tokyo Marui M4 MWS GBB

C&C Tac Steel Barrel Nut Spacer for Tokyo Marui M4 MWS GBB Steel Construction Designed to allow for the adaption of rails that might otherwise not fit due to improper spacing. Suitable For Tokyo Marui M4 MWS Series Airsoft Gas Blow Back GBB Rifle