Model GSG-16 - Action Semi-Auto - Barrel Description 6-Groove Rifling - Barrel Finish Black - Barrel Length 16.25 - Caliber .22LR - Finish OD Green - Grips Green Polymer - Hand Right - Handguards M-Lok - Muzzle Faux Suppressor - Oal 28.50- 34.25 - Rails Picatinny - Receiver Finish Green - Receiver Material Polymer - Safety Ambidextrous - Series Carbine - Sights Adjustable Front & Rear - Size Full Size - Stock Description Collapsible with Storage Compartment - Stock Finish Black - Stock Material Synthetic - Weight 5.84 lbs