Benjamin Armada Semi-Auto PCP Air Rifle Precharged pneumatic Semi-auto Uses .22 caliber pellets Adjustable synthetic chassis-style stock 10-round rotary magazine Shrouded barrel with integrated sound suppression Max. fill pressure: 3,000 PSI Up to 40 effective shots per fill Regulated Integral manometer (pressure gauge) Max. velocity: 950 FPS Max. power: 29 FPE Pistol grip Picatinny optics rail Picatinny forearm accessory rail Adjustable rubber buttpad Adjustable cheekpiece 5-year warranty