
Availability: In Stock
Current Stock: Out of stock
The Kriss USA Vector SDP G3 in .45 ACP is a modern semi-automatic pistol built for shooters who value soft-shooting recoil management and genuine stopping power. Unlike conventional blowback designs, the Vector SDP G3 uses a closed-bolt delayed blowback operating system that tames the felt impulse of the full-size .45 round, letting you stay on target and shoot faster with greater control. With its 5.5-inch barrel and compact collapsed profile, it bridges the gap between duty-ready capability and practical portability—ideal for home defense, range work, and serious defensive carry where the .45 ACP's proven terminal ballistics matter.
Built from 4140 chrome-moly steel with a durable black nitride finish, the Vector SDP G3 is engineered to handle hard use. The barrel carries professional-grade QPQ nitride treatment and is threaded (.578x28 RH) for suppressor mounting, opening up versatility for those running sound-reduction rigs. At 5.6 pounds and sitting just over 15 inches in collapsed length, this is a substantial firearm with genuine heft—confidence you can feel. The single-stage pivoting trigger breaks clean without the creep that plagues many modern platforms, and the included 30-round magazine delivers capacity that lets you train or respond without frequent reloads.
The flat dark earth finish is more than cosmetics; it's practical. FDE blends across duty, tactical, and field applications, matching modern rifle setups if you're building a cohesive battery. Every detail here—the delayed blowback system, the chrome-moly construction, the threaded barrel—reflects engineering that refuses to cut corners. This is a pistol for the shooter who understands that recoil management, durability, and ergonomics compound into real-world performance.
| Caliber | .45 ACP |
| Model | Vector SDP G3 |
| Action | Semi-Automatic |
| Operating System | Closed Bolt Delayed Blowback |
| Barrel Length | 5.5 inches (139.7 mm) |
| Overall Length (Collapsed) | 15.35 inches (390 mm) |
| Weight | 5.6 lbs (2.5 kg) |
| Barrel Material | 4140 Chrome Moly |
| Barrel Finish | Black Nitride (QPQ) |
| Barrel Threading | .578x28 RH (Right-Hand) |
| Trigger Type | Pivoting Single Stage |
| Magazine Capacity | 30 Rounds |
| Magazines Included | One 30-round magazine |
| Color | Flat Dark Earth (FDE) |
Yes. The barrel is threaded .578x28 RH (right-hand), which accepts standard .45 ACP suppressors and muzzle devices that use this common thread pitch.
The Vector SDP G3 ships with one 30-round magazine. This is substantially more than traditional .45 ACP handguns and reduces the need to reload during extended range sessions or defensive scenarios.
Yes. The combination of the delayed blowback system for recoil management, the .45 ACP caliber, and the 5.5-inch barrel make it well-suited for defensive use, whether for duty or home protection. The 30-round magazine adds practical capacity beyond conventional .45 pistols.
The barrel features a QPQ (quench-polish-quench) black nitride finish, which provides corrosion resistance and durability for hard use. The FDE finish on the frame is cosmetic and practical—it coordinates with modern rifles and duty gear while remaining visible and functional.

SKU: 198467854 • Weight: 11oz





Availability: In Stock
Current Stock: Out of stock
The Kriss USA Vector SDP G3 in .45 ACP is a modern semi-automatic pistol built for shooters who value soft-shooting recoil management and genuine stopping power. Unlike conventional blowback designs, the Vector SDP G3 uses a closed-bolt delayed blowback operating system that tames the felt impulse of the full-size .45 round, letting you stay on target and shoot faster with greater control. With its 5.5-inch barrel and compact collapsed profile, it bridges the gap between duty-ready capability and practical portability—ideal for home defense, range work, and serious defensive carry where the .45 ACP's proven terminal ballistics matter.
Built from 4140 chrome-moly steel with a durable black nitride finish, the Vector SDP G3 is engineered to handle hard use. The barrel carries professional-grade QPQ nitride treatment and is threaded (.578x28 RH) for suppressor mounting, opening up versatility for those running sound-reduction rigs. At 5.6 pounds and sitting just over 15 inches in collapsed length, this is a substantial firearm with genuine heft—confidence you can feel. The single-stage pivoting trigger breaks clean without the creep that plagues many modern platforms, and the included 30-round magazine delivers capacity that lets you train or respond without frequent reloads.
The flat dark earth finish is more than cosmetics; it's practical. FDE blends across duty, tactical, and field applications, matching modern rifle setups if you're building a cohesive battery. Every detail here—the delayed blowback system, the chrome-moly construction, the threaded barrel—reflects engineering that refuses to cut corners. This is a pistol for the shooter who understands that recoil management, durability, and ergonomics compound into real-world performance.
| Caliber | .45 ACP |
| Model | Vector SDP G3 |
| Action | Semi-Automatic |
| Operating System | Closed Bolt Delayed Blowback |
| Barrel Length | 5.5 inches (139.7 mm) |
| Overall Length (Collapsed) | 15.35 inches (390 mm) |
| Weight | 5.6 lbs (2.5 kg) |
| Barrel Material | 4140 Chrome Moly |
| Barrel Finish | Black Nitride (QPQ) |
| Barrel Threading | .578x28 RH (Right-Hand) |
| Trigger Type | Pivoting Single Stage |
| Magazine Capacity | 30 Rounds |
| Magazines Included | One 30-round magazine |
| Color | Flat Dark Earth (FDE) |
Yes. The barrel is threaded .578x28 RH (right-hand), which accepts standard .45 ACP suppressors and muzzle devices that use this common thread pitch.
The Vector SDP G3 ships with one 30-round magazine. This is substantially more than traditional .45 ACP handguns and reduces the need to reload during extended range sessions or defensive scenarios.
Yes. The combination of the delayed blowback system for recoil management, the .45 ACP caliber, and the 5.5-inch barrel make it well-suited for defensive use, whether for duty or home protection. The 30-round magazine adds practical capacity beyond conventional .45 pistols.
The barrel features a QPQ (quench-polish-quench) black nitride finish, which provides corrosion resistance and durability for hard use. The FDE finish on the frame is cosmetic and practical—it coordinates with modern rifles and duty gear while remaining visible and functional.
SKU: 198467854 • Weight: 11oz
