Alpha Dog Sliencer Alpha Piston Thread Size

ALPHA DOG SILENCER ALPHA SERIES SUPPRESSOR PISTON - .22/9MM
•Nielsen device piston for Alpha Series Suppressors
•Attaches suppressor to barrel & enables proper host cycling in semi-automatic pistols
•Ensures positive alignment between host & suppressor
•Enables suppressor rail to be indexed at desired position
•Easily interchangeable to allow for use of sub-caliber host pistols through existing suppressor
•Heat treated 17-4ph stainless steel
•Right hand
•Thread: 1/2"-28