The most complete parts kit offered by BT Paintball for the BT-4 line of paintball markers.
Kit Includes:Ball Detent Assembly (5)
Drive Spring (5)
Front Bolt (2)
Front Bolt O-Ring (2)
Valve Lock Screw (4)
Long Receiver Bolt (1)
Short Receiver Screw (4)
Lower Grip Bolt (1)
Lower Grip Nut (1)
Shock Absorber O-Ring (2)