Universal Parts Kit includes a full range of replacement parts.Includes:< b>1 Front bolt ORing1 Rear bolt ORing1 Push Pin1 Ball Latch1 Valve ORing large1 Trigger Plate Pin1 Valve Spring Washer1 Velocity Screw2 Body Nut2 Receiver Bolt short1 Feeder Ratchet1 Sear Roll Pin1 Marker Oil1 Drive Spring