These 416 stainless steel threaded adaptors are designed to catch gun cleaning solvents in ordinary automotive oil filters and will fit most standard threaded barrels. They are listed by thread size, so you will need to know what thread is on the end of your barrel and what thread is on the oil filter that you plan to use.
Although this assembly resembles a suppressor and would work as a suppressor; without the proper NFA forms filed with the BATFE and the SOT tax fee paid it would be illegal and potentially dangerous to use this assembly as a suppressor. Use of this adaptor as a way to attach a solvent trap to your firearm for cleaning purposes is perfectly legal and environmentally responsible.
13/16-16 Oil filter Thread 1/2-28 Barrel Thread
Currently these are the only sizes that we have available but we intend to add more sizes in the coming weeks.
13/16-16 Oil filter Thread 5/8-24 Barrel Thread
1"-14 Oil filter Thread
5/8-24 Barrel Thread