More than just providing a more universally accepted suppressor thread pattern, this adapter adds sprength and rigidity to the barrel tip by relying on the threaded shoulder to support the weight of the suppressor rather than the 1/16 . #2443170 - 02/22/13 01:26 PM Re: Montana Suppressor Bill [Re: mikegranger] tjones Custom Call Maker Registered: 02/02/07 Posts: 3332 Loc: Hamilton Montana Just spoke Servicing America & The World. view all manufacturers; helix ifm6 suppressor 7.62 direct thread. Section 45-8-340. The brains behind the beauty that is Rugged Suppressors are Henry Graham and Michael Derdziak, two more legends to add to the suppressor manufacturers list. window.document.write("