Carbine that converts to a pistol Gas-piston Breakbarrel 58 lbs. cocking effort TruGlo fiber optic front sight adjustable for elevation TruGlo fiber optic rear sight adjustable for windage & elevation Quattro 2-stage adjustable match trigger Anti-beartrap mechanism Ergonomically designed synthetic stock Textured grips with finger grooves and thumbrest (RH grip) Telescoping stock: 26" to 29.9" long Manual/automatic safety 11mm optics dovetail grooves Muzzle cap can be replaced by included aluminum cocking aid (both screw on)
Here are the benefits of a gas-piston over a spring-piston powerplant: