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Convert your MODX-9, MODX-45, SRD9, or SRD45 suppressor to a 13.5x1mm Left-Hand thread pitch with the SRD-PISTON-M135X1LH. 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 MODX-45 to 9mm. Simply swap the conversion piston with the original piston in your suppressor to match your barrel thread pattern.
