The HD P4X is the latest advancement in the 2011A(R) HD platform. The P4X extends the 2011 HD family, carrying the performance DNA of the HD C4X into a larger, duty-ready configuration. The HD P4X was built for duty belt, patrol, and professional deployment. Optimized for hard use. Specifications and Features: Finish:Black Caliber:9mm Barrel Length:4" DLC Comp Barrel Capacity:18 Safety:Manual Capacity: 18+1 Trigger: Crisp 4-4.5 lb Single-Action Recoil System: Fully Captive Flat Wire System Sights: AmeriGlo Iron Sights Slide: Optics Ready HD Slide Magazine Compatibility: Fits GlockA(R) Pattern Steel Magazines Includes: (2) 18-Round Magazines