RA Tech URGI MK16 Steel Bolt Stop for Tokyo Marui M4 GBB

RA Tech URGI MK16 Steel Bolt Stop for Tokyo Marui M4 GBB Steel Construction Design For Upgrade the Original Parts More Durable This Bolt Stop is also modeled after the famous MK16 style, so it would be a perfect fit for the URGI MK16 rifle builder Suitable for Tokyo Marui MWS M4 Series Airsoft Gas Blow Back GBB Rifle Airsoft Guns