Mk23 SOCOM. Tokyo Marui Mk23 SOCOM fixed slide. KWA Kriss Vector GBB. This adapter has a 16mm clockwise (righthand) internal thread and a 14mm counter clockwise (lefthand) external thread, to allow the fitting of any 14mm (internal) counter clockwise threaded silencer to a pistol or gun with a 16mm external clockwise external thread.
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