- Gas blowback airsoft gun (GBB) - Semi/Auto/Two round burst firing modes - Full metal internals - Metal Picatinny rail integration system (RIS) - 18 inches of combined rail space - Functioning bolt catch - Lightweight tactical design - Folding CQB stock - Easy target acquisition iron sights - Realistic blowback recoil system - 30rd polymer magazine included - Durable polymer receiver - Ambidextrous mag release - Speed loader and adapted includedSpecifications: Operation Gas Blowback (GBB)Firing Modalities Semi, Two Round Burst, AutoMuzzle Velocity 330-340 FPS (w/ .2g BBs)Construction Polymer Receiver, Metal RIS, Barrel, InternalsMagazine Capacity 30rd gas magazineHop-up Adjustable Length 18.5 in. / 27.5 in. (Folded / Extended)Weight 5lbs GBB airsoft rifle