Parker X110-PS Concorde Crossbow, Camo Soft Touch Finish CO2 supplied via standard, refillable 9 ounce CO2 bottle 300+ feet per second performance Quick Draw System is operated by pressing a button and cocks the crossbow in approximately 2 seconds Quick Draw System allows for quick un-cocking with the same button Anti-Vibration and Shock (AVS) System reduces noise and vibration for ultimate concealment