Manufaturer Part Number: SRDPISTON12X28 Convert your srd9 or srd45 suppressor to a 1/2x28 right hand thread pitch with the srd-piston-12x28.The piston is made of 17-4 heat treated stainless steel with a matte glass bead finish.The piston will fit a variety of hosts, and it is a perfect choice for converting your srd45 to 9mm.Simply swap the conversion piston with the original piston in your suppressor to match your barrel thread pattern.
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