Chambered in 9mm, this threaded barrel is meant to fit with P320 XCOMPACT & SUBCOMPACT models. Includes thread protector cap. SPECS: Caliber 9MM, 1/2 X 28 RH thread pitch. Compatibility: P320 XCOMPACT / SUBCOMPACT W/ Loaded chamber Indicator, or any P320 that was designed to function with a 3.6″ 9MM barrel
Sig Sauer 8900568 P3209mm Luger 4.30″ Threaded Black Nitron for Sig P320 XCompact Subcompact Loaded Chamber Indicator