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SilencerCo Alpha Direct Thread Mount 5/8x24 Direct thread mount for attaching SilencerCo suppressors to rifle barrels with 5/8x24 threads. Compatible with Omega 9K, Omega 45K, Octane 9, Octane 45, 45K, and Harvester 300. Designed for fixed rifle barrels. Not for use on pistols with unlocking or moving barrels; using this mount on a pistol can damage the suppressor.
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