BJ TAC QPQ Stainless Steel Sling Swivel For M4 GBB Airsoft Rifle (BC* Style)

BJ TAC QPQ Stainless Steel Sling Swivel For M4 GBB Airsoft Rifle (BC* Style) Stainless Steel Construction Airsoft Sling Swivel Able to Attach Quick Detach QD Sling Point Suitable For M4 Gas Blow Back GBB Rifle Airsoft Gun