Barrel Thread Protector - M13.5 X 1LH

Thread protector for threaded barrels with threads M13.5 X 1LH. Fits SIG P226 9mm, P229 9mm, P239 9mm and P250 9mm factory threaded barrels as well as any other threaded barrels with the M13.5 X 1 LH threads. These are manufactured by Top Gun Supply from aluminum to ensure complete protection of the threads on your expensive threaded barrel. Laser etched to help identify the correct LH on direction.