Latest products made by Lees Precision Engineering... "LPE 16mm to 14mm CCW thread adaptors are designed to allow the use of widely available 14mm CCW threaded silencers on 16mm threaded pistols such as the KSC/KWA/Umarex USP Tactical, Mk23 SOCOM and Tokyo Marui Mk23 SOCOM fixed slide. Each adaptor is fully CNC machined from lightweight 2014 T6 aluminium with machine cut threads, anodized in black.