Action: SA/DA - Caliber: .22 LR - Capacity: 10rd - Barrel: 4.76 - Sights: 3-Dot Adjustable Rear - Frame: Black - Slide: Black - Grip: Polymer Black - Length: 7.91 - Weight: 26.2 oz. - The GSG Firefly automatic pistol in cal. .22 with polymer handles and black plastic grip panels. It offers a barrel thread a metal magazine an adjustable sight a Double-Action trigger a Picatinny rail an ambidextrous thumb safety and an ergonomic handle.