SSG-1Features Reinforced polymer billet style receiver Blade trigger with enlarged trigger guard Unique outer barrel with integrated accessory rail for accessories Ambidextrous magazine catch Integrated MOSFET w programmable full auto and 3 round burst capability Variable angle stock can pivot into different positions for preferred stock angle. 6 position retractable stock attached Ergonomic motor grip 20mm M1913 Picatinny compatible railed upper receiver