Thread Protectors for threaded barrels.
SKU: P00183
This factory Sig Sauer threaded barrel adapter will convert your threaded barrel Mosquito from the factory threads of M9 x 0.75 to 1/2 x 28 thread pattern, allowing you to use accessories with the more common threads.SKU: GTTP-4
Thread protector for threaded barrels with threads .578-28. Fits SIG P220 Combat factory threaded barrel.SKU: GTTP-2
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.