Action Army Specialized "Zero" Trigger Kit w/ 90 Degree Piston for TM VSR-10Features Durable CNC and cast aluminum and steel construction Drop in upgrade trigger set with aluminum piston 90 degree piston Adjustable trigger allows for a smoother, more crisp trigger pull Compatibility: For Tokyo Marui VSR and other compatible Airsoft Spring Sniper Rifles Material: Steel, Aluminum, Rubber Package Includes: Zero Trigger Unit, 90 Degree Blue Piston Manufacturer: Action Army Company About Action Army Action Army Company was founded