GSG Firefly 22 Long Rifle 4in Black Pistol - 10+1 Rounds - The GSG FireFly features a wear-resistant alloy frame outfitted with an integrated accessory rail. The slide has an adjustable rear sight and along with the rugged blowback system, fixed barrel and superior ergonomic grip. Features an internal locking device and slide-mounted ambidextrous safety. Ambidextrous Thumb Safety Double Action / Single Action Zinc Alloy Frame Zinc Alloy Slide Adjustable rear sight Black Polymer Grips Browse all 22 LR pistols and handguns.