The KRISS Vector SDP Gen3 is a semi-automatic pistol configured in .45 ACP with a 5.5″ threaded barrel and a compact Vector chassis. The design accepts full-size Glock magazines and features a Gen 3 low-profile upper housing and a full-length MIL-STD 1913 Picatinny top rail for optics. The platform includes a 1-slot M-LOK Gen 3 handguard and a Picatinny end rail for accessories.
Key Specifications
- The caliber is .45 ACP.
- The barrel measures 5.5 inches and is threaded with a .578×28 pattern.
- The action is Semi-Auto.
- The magazine capacity is 30 rounds and one magazine is included.
- The barrel material is 4140 Chrome Moly with a black nitride (QPQ) finish.
- The frame material is alloy and the grip is black polymer.
- The optic footprint is PICATINNY with a full-length top rail.
- The handguard is a 1-slot M-LOK Gen 3 with a Picatinny end rail.
- The sighting system is low-profile flip-up sights.
The Vector SDP Gen3 is built for modularity and straightforward operation: interchangeable AR-15/M16 pistol grip compatibility, an ambidextrous reversible magazine release, a skeletonized trigger with 0.7 mm pre-travel, and tool-less four-pin disassembly for maintenance. Its compatibility with full-size Glock magazines and the threaded 5.5″ barrel make it adaptable for a variety of roles including personal protection and duty use where a compact yet capable pistol is preferred.
Product information is supplied by the manufacturer and/or distributor and may be automatically formatted or enhanced using AI for clarity and consistency. While we strive for accuracy, specifications, features, and included items may change without notice. Always verify details using the manufacturer’s official documentation and the information shown on this product page before purchase or use.




