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.