The rifle comes with a polymer stock, trigger guard, magazine, sights, and Picatinny rail, red dot sight and an extra magazine. This makes the gun light for easy handling. When it comes to military replica guns chambered in .22, there are few as popular as the GSG-522. The Light Weight SD model offers a lot of fun at a low cost. Action SEMI AUTOMATIC Barrel Length 16.25" BARREL Caliber .22 LR Capacity 22 ROUNDS Finish BLACK SYNTHETIC STOCK