The AAC Piston is designed to expand the versatility of AAC Silencers, facilitating easy swapping between different host firearms with varying barrel threads. To adapt the suppressor to a new barrel thread pitch, simply select the appropriate piston and replace the existing one located at the rear of the sound suppressor. Constructed from heat-treated stainless steel, each AAC piston features a bead-blasted matte finish for durability. Additionally, each piston is engraved with details including thread diameter, pitch and installation rotation direction for clear and straightforward setup.

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