First Strike Paintball HERO 88ci 4500psi HPA Nitrogen Tank Internal Marker Upgrades effort and money in order 4v Small Buffer Tube effort and money in order to attend these events (1) Front Bolt (1) Feeder Bolt (1) Banjo Fitting (1) 1 16" Hose 1" (1) Trigger Spring (1) Front Bolt O Ring (1) Valve Washer (5) Trigger Plate Pins (1) A 5 Barrel O Ring (3) Receiver Pins (1) Linkage Arm (1) Drive Spring (3) Receiver Nuts (1) Ratchet (1) Velocity Screw (1) CA 02B Nut (1) Trigger Return Spring (1) Piston U Cup (2) Rear Bolt O Rings (1) Ball Latch (2) Grip Screws (1) Valve O Ring (Large) (2) Receiver Bolts (Short) (1) Tank Valve O Ring (2) CA 02A Bolt BHCS (1) Sear Pin (1) Drive Pin (1) 1 4" Bolt 5 8" (4) Receiver Bolt (1) X7 Safety They still require a hydro test every 5 year for safety but there is no limit and this bottle can truly last a lifetime Lifetime use bottle (endless hydro testing on bottle)