Finally got word that my Sparrow was ready for pickup (excited). Forms mailed 2/1, card charged 4/1, approved 7/22, received 8/11 (happy). Attempted to attached to the MK III I picked up at a gun show recently, but no joy on the threads (confused). Pulled out my thread gagues and found out whoever threaded the pistol used 1/2-20 threads... some manufacturers use/used this thread for .22's (angry). Staring at my shiny new silencer that won't thread onto my pistol (sad). Pistol was a good deal at $330 for a threaded MK III... but I should have known from the abortive modification to the front sight that something was wrong. So, anyone know a good place to send off an MK III for a cut, thread, sight re-locate?