KRISS USA Vector Sdp Pstl .45 ACP 5.5" Threaded Barrel Pistol

The KRISS USA Vector SDP Pistol in .45 ACP with 5.5-inch threaded barrel is purpose-built for operators who demand recoil management and precision in a compact platform. Developed through decades of KRISS engineering in advanced firearm systems, the Vector SDP combines the legendary Super V recoil mitigation system with modern pistol ergonomics to deliver controllability that exceeds traditional blowback designs. This platform serves federal, state, and local law enforcement, as well as civilian shooters who prioritize shot placement and follow-up accuracy in defensive and tactical applications.

At its core, the Vector SDP's patented recoil mitigation mechanism redirects bolt energy at a 45-degree angle, dramatically reducing muzzle rise and felt recoil compared to conventional .45 ACP pistols. The 5.5-inch threaded barrel accommodates suppressors and muzzle devices, enabling customization for specific mission profiles—from suppressed operations to compensated configurations for rapid-fire accuracy. Weighing 11 pounds, the firearm balances enough mass to absorb recoil energy while maintaining practical handling in entry-team scenarios. The SDP designation reflects KRISS's commitment to delivering a short-barrel, compact pistol without sacrificing the control characteristics that define the Vector platform.

This pistol is ideal for armorer-qualified shooters, tactical teams, and serious practitioners who shoot .45 ACP regularly and value reduced recoil for faster, more accurate shot strings. The threaded barrel opens compatibility with a wide range of .45 ACP suppressors and flash hiders, making it suited for low-light, noise-sensitive, and CQB-focused operations. Magazine compatibility and parts availability align with standard KRISS ecosystem accessories, ensuring streamlined training cycles and logistical support in duty or defensive environments. Whether staged as a primary close-quarters tool or backup platform, the Vector SDP delivers the precision and control that define professional-grade .45 ACP performance.