SilencerCo AC633 Alpha Direct Thread Mount 1/2"-28 tpi Stainless Steel
Direct thread mount will attach the following suppressors directly to a threaded, fixed rile barrel: Omega 9 K / Omega 45 K, Octane 9/Octane 45/45 K, Harvester 300. This thread mount is not for use on pistols with unlocking or moving barrels.