Ruger Mark I, II, III, 22/45 Stainless barrel Threading Service Ruger Mark I, II, III, 22/45 Stainless Barrel Threading Service for Flash or Sound Suppressor $155.00 Price includes threading barrel, Machine Ruger Warning off Barrel, Set back front sight, Thread protector,and return shipping. Stainless Bull Barrels and Fluted barrels Only 1 Month + or - turn around time from when I receive your barrel. 1/2x28 thread pitch, or what ever thread pitch you want. Threads are 0.400 in length. Other Rifle and Pistol barrels threaded upon request e-mail with questions. barrel can be threaded with receiver attached, just send barreled receiver Barrels are threaded concentric to the bore using a single point tool on a metal lathe. No additional charge if you want your barrel Shortened and Recrowned. Payment by Paypal, Credit Card, Money Order, Personal Check Thanks.