M4-177 Features The next great variable pump rifle is here and now available everything you need: rifle ammunition targets and shooting glasses. If you enjoy the adaptability of the AR platform then you re going to love the M4-177. The airgun features a rifled steel barrel and shoots both pellets and BBs. The rifle s variable pump action is easy to use for right or left-handed shooters. Expect velocities up to 660 fps with BBs and 625 fps with 7.9gr .177iber pellets. There s plenty of picatinny rails for mounting your favorite accessories plus the front and rear sights and stock are removable for the ultimate in upgrade possibilities. Features include- Includes a Firepow r 5-shot pellet clip Reservoir capacity of 350 BBs Adjustable stock to fit every shooter Loop slots for adding a gun sling Windage and elevation adjustments Two aperture sizes instantly available on rear sight: just flip up the small one for stationary or bullseye targets or the large one for moving or large targets Removable magazine stores pellet clip and sight adjustment tool. M4-177 Specifications Action: Bolt Action Barrel Type: Rifled Caliber: .177 Front Sight: Elevation Adjustable Pin Material: Synthetic Mounting Rail: Picatinny Powerplant: Variable Pump Rear Sight: Windage Adjustable/Dual Aperture Peep Safety: Crossbolt Stock Material: Polymer Stock Style: Adjustable Shoulder Stock