The Kriss USA Vector SDP G3 in 10mm is a modern, combat-proven submachine gun platform engineered for shooters who demand straight-shooting performance and controllable recoil. Built on the company's signature delayed-blowback system, the Vector SDP G3 cycles the powerful 10mm cartridge with minimal muzzle rise and horizontal drift—a design advantage that translates to faster follow-up shots and tighter shot groups even under rapid fire. At 5.6 pounds and 15.35 inches collapsed, the Alpine-finished G3 is compact enough for vehicle storage, close-quarters work, or specialized competition yet substantial enough to handle the ballistic punch of 10mm with authority.
The 5.5-inch barrel is threaded 9/16x24 RH, opening the door to suppressors and muzzle devices tailored to your mission. Cold-hammer-forged from 4140 chrome moly and finished in black nitride (QPQ), the barrel resists wear and corrosion through serious training cycles. The single-stage pivoting trigger breaks clean and predictable, and the gun feeds from a 33-round magazine—capacity that matters when you're testing your skills or running force-on-force scenarios. Closed-bolt operation and semi-automatic only ensure compliance wherever you shoot.
Whether you're an action pistol competitor, a serious 10mm enthusiast, or someone who values a rifle-like platform with pistol-caliber ballistics, the Vector SDP G3 delivers accuracy and controlability that stand apart from conventional designs. The delayed-blowback system is the star here; it's why special operations and competition shooters have relied on Vector platforms for years. This is a gun built to run, not to impress.
Key Features
- Kriss Super V delayed-blowback operating system reduces recoil and muzzle rise
- Semi-automatic 10mm with 5.5-inch 4140 chrome moly barrel, black nitride finished
- Threaded barrel (9/56x24 RH) ready for suppressors and muzzle devices
- Includes one 33-round magazine for extended range sessions or competition
- Compact collapsed length (15.35 inches) with manageable 5.6-pound weight
- Single-stage pivoting trigger for consistent, predictable break
- Closed-bolt design ensures reliability and safety
Specifications
| Caliber | 10mm |
| 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 | 9/16x24 RH |
| Trigger Type | Pivoting Single Stage |
| Magazine Included | 1x 33-Round |
| Color | Alpine |
Frequently Asked Questions
What's included in the box?
The Vector SDP G3 comes with one 33-round magazine. Any other components or accessories must be verified at time of purchase.
Can I attach a suppressor to the Vector SDP G3?
Yes. The barrel is threaded 9/16x24 RH, so it's compatible with suppressors and muzzle devices that fit that specification. Always verify thread pitch and direction with your chosen device.
How does the delayed-blowback system work and why does it matter?
The Kriss Super V delayed-blowback design manages the energy of 10mm recoil by redirecting forces downward and away from the shooter's hands, resulting in less muzzle rise and faster recovery between shots compared to direct blowback systems. This translates to better accuracy, faster follow-ups, and reduced shooter fatigue during extended sessions.
Is the Vector SDP G3 good for competition shooting?
Yes. The combination of the delayed-blowback system, single-stage trigger, 33-round capacity, and compact footprint make it well-suited to action pistol competition, force-on-force training, and specialized shooting sports. Always verify rules for your specific match or event.
