Ultra fast rate of fire - 17 bps in semi auto and rebound modes, and 10 bps in 3 shot burst or full a Extremely lightweight - weighs in at just 2.2 lbs. Break-beam Vision eyes - shoot up to 17 shots per second without ever chopping paint Interchangeable Body Kits - Instantly change the color of the Ion's body with numerous different comp Adjustable trigger - shorten the trigger pull without ever taking the Ion apart.