Umarex Octane .177 Caliber With 3-9X40 Scope And Rings A Magnum Velocity Air Rifle at 1450 Feet Per Second With a .177 Alloy Pellet, The Octane Is One Of The First Two Break Barrel Rifles introduced Under The Umarex Brand. The Octane incorporates Both a Gas Piston And a Noise Dampener. This Gun Is Unique In That Its Gas Piston operates In Reverse Of Other Gas pistons On The Market. Termed The ReAxis Reverse-Axis Gas Piston, It Has Shown To Provide An Increase In Velocity. Its SilencAir Is a Non-Removable Suppressor With Five Chambers That greatly Reduce Muzzle Noise. The Octane Also Comes With a 3-9X40 Scope, All-Weather Stock, And Adjustable 2-Stage Trigger. Specifications: - Product Group: Air Rifles - Brand: Umarex - Caliber: .177 (4.5mm) - Ammo Type: Pellets - Fps W/Alloy Pellet: 1450 - Fps W/Lead Pellet: 1250 - Barrel Length: 19.5 - Total Length (inches): 48.5 - Capacity: 1 - Action: Break Barrel - Power: Reaxis Gas Piston - Trigger Action: 2-Stage Adjustable Trigger - Trigger Pull (Lbs): 3.5 - Length Of Pull (inches): 14.25 - Cocking Effort (Lbs): 42 Manufacturer: Umarex Model: 2251302 SKU: BH_Umarex 2251302