How To Install or Replace a Fixed Neck on B Series or O Series Curved Handle BTB Platform Guns

• To remove neck, remove the nut insulator.
   
• Using a wrench, rotate lock nut counterclockwise. Rotation will free neck from end fitting.
   
• To install the neck, perform the above instructions in reverse order and tighten lock nut to 16 ft.-lbs. (21.7 Nm). Be sure nut insulator is in place.
   
• Liner may need to be changed if switching to a neck of a different bend, angle or length.