Product Details Brand: Precihole Sports Description Aries Caliber 0.177″ (4.5mm) Max Velocity 128 mps / 420 fps Power Plant Spring Piston Action Mechanism Break Barrel Barrel Length 160 mm Total Length 325 mm Total Weight 990 grams Barrel Material Steel Barrel Rifled Front Sight Post Rear Sight Adjustable for windage and elevation Scopable Yes Safety Manual – Cross Bolt Suggested For Plinking / Fun / Open Field Target Mounting Rail 3/8″ (11mm) Dovetail Trigger Two Stage Stock Material Polymer