Action Army Specialized Trigger for Marui VSR-10

Action Army Specialized Trigger for Marui VSR-10 Steel Trigger, Trigger Sear & Stopper Sear Aluminum Piston Zero trigger set for using on VSR 10 and Bar 10 based sniper rifle system To have best sensitive trigger action with using high power upgrade spring Suitable for VSR-10 Series Airsoft Bolt Action Sniper Rifle