KRISS Vector SBR G3 .45 ACP 5.5 in Alpine

The KRISS Vector SBR G3 is the short-barreled variant of the Vector family, configured for a compact profile while retaining the platform’s operating characteristics. It uses a closed-bolt delayed blowback system and accepts KRISS Gen 3 ergonomics, including an ambidextrous telescopic folding stock and compatibility with modern grips. The Alpine finish provides a distinct appearance for those seeking a clean, monochrome look for range, training, or compact duty applications.

Key Specifications

• Chambered in .45 ACP for use with standard .45 ACP ammunition.
• The barrel measures 5.5 inches for a compact overall package.
• The action is semi-automatic for standard manual fire operation.
• Operating system is closed-bolt delayed blowback, as specified by the manufacturer.
• The barrel is constructed of 4140 chrome-moly steel.
• The barrel finish is black nitride (QPQ).
• Barrel threading follows an .578x28 RH pattern.
• Includes one 30-round magazine as shipped.
• Equipped with a KRISS ambidextrous telescopic folding polymer stock for compact storage and handling.
• Overall length is 26.2 inches (extended) and 24.25 inches (collapsed).

The Vector SBR G3 blends the Vector family’s compact geometry with Gen 3 ergonomic updates to provide a controllable, easy-to-manage platform for close-proximity use, training, and range duty. Its short barrel, folding stock, and single 30-round magazine package make it a practical option for users who require a compact rifle configuration with proven KRISS operating characteristics.