ASG TAC-4.5 CO2 rifle Use a 12-gram CO2 cartridge Semiauto 21rd removable BB stick mag Fixed fiber optic front sight (removable) Fully adjustable rear sight (removable) Mock laser Ambidextrous, thumbhole polymer stock Textured pistol grip Rubber recoil pad Manual safety No blowback for more efficient use of CO2 Includes foldable, extendable bipod Steel BBs can ricochet. The shooter and everyone in the shooting area should wear safety glasses when a gun is being handled (even if it's unloaded). Remember to remove all pets from the area, as rebounding ammo can hit them, too. Never shoot steel BBs at hard objects (including metal targets) or water, as that increases the chance of ricochet.