Description
The Kriss TDI Vector SDP G2 .45 ACP 5.5″ Threaded Black is a semi-automatic pistol built around the patented Super V recoil mitigation system. It uses a closed-bolt, delayed-blowback action to keep the bore axis low and muzzle rise minimal. This Gen 2 model accepts Glock G21 magazines and comes with a 5.5-inch threaded Black Nitride barrel, full-length Picatinny rails, and low-profile folding sights. It’s a practical choice for shooters who want fast follow-up shots and reliable .45 ACP performance in a compact package.
| Manufacturer | Kriss USA |
|---|---|
| Model | Vector SDP Gen 2 (G2) |
| Material | Alloy frame, polymer grip |
| Compatibility | Glock G21 magazines (per manufacturer specs) |
| Finish | Black Nitride barrel, black alloy/polymer |
| Weight | Approx. 2.1 lbs (unloaded, per Kriss specs) |
| Condition | New |
Key Features
- Super V Recoil System — This patented design redirects recoil forces downward, reducing muzzle climb and letting you stay on target for faster follow-up shots. It makes the .45 ACP feel noticeably softer.
- 5.5″ Threaded Black Nitride Barrel — The barrel is threaded (1/2×28) for suppressors or compensators, and the Black Nitride finish adds corrosion resistance and longevity. You can run it suppressed right out of the box.
- Full-Length MIL-STD 1913 Picatinny Rails — The top and bottom rails let you mount optics, lights, lasers, or a foregrip. No adapters needed. This gives you a stable platform for any accessory setup.
- Glock G21 Magazine Compatibility — Uses widely available Glock G21 mags in 13-round standard capacity. This means you can share magazines with your other .45 ACP Glocks, simplifying your range bag.
- Low-Profile Folding Sights — The front and rear sights fold flat when not in use, keeping the rail clear for optics. They deploy quickly for backup aiming if your red dot fails.
Who It’s For
This pistol suits families and beginners who want a .45 ACP that’s easier to control than a standard 1911 or polymer striker gun. The Super V system reduces felt recoil, which helps newer shooters build confidence. It also works well for home defense, range training, or as a suppressor host for quieter shooting. Experienced shooters will appreciate the low bore axis and fast recovery for competition or practice.
Pros & Cons
- Pro: Recoil mitigation is genuine — muzzle rise is significantly lower than a typical .45 pistol. You’ll see the difference on rapid fire.
- Pro: Threaded barrel is included standard, so you don’t need to buy an aftermarket barrel for a suppressor.
- Con: The grip angle and manual of arms are unique — it takes some practice to get used to the safety and magazine release placement if you’re coming from a Glock or 1911.
Comparison vs. Competitors
| Feature | Kriss Vector SDP G2 .45 | Zev Technologies OZ9 .45 | Lone Wolf Distributors Timberwolf .45 |
|---|---|---|---|
| Recoil System | Super V (delayed blowback) | Standard Browning tilt-barrel | Standard Browning tilt-barrel |
| Barrel Length | 5.5″ threaded | 4.5″ non-threaded | 5.2″ non-threaded |
| Magazine Compatibility | Glock G21 | Proprietary Zev | Glock G21 |
| Weight (unloaded) | ~2.1 lbs | ~1.8 lbs | ~1.9 lbs |
| Price | $1,249.99 | $1,599.99 | $899.99 |
| Best For | Recoil-sensitive shooters, suppressor hosts | Competition shooters wanting custom fit | Budget builders on a Glock platform |
FAQ
Does this pistol accept standard Glock 21 magazines?
Yes, the Vector SDP G2 is designed for Glock G21 magazines. It ships with one 13-round magazine, but any factory Glock 21 mag will work. Aftermarket mags from Magpul and ETS also fit reliably.
What is the barrel thread pitch?
The 5.5-inch barrel has a 1/2×28 thread pitch, which is the standard for .45 ACP suppressors and compensators. Most popular suppressors like the SilencerCo Osprey or Griffin Armament Revolution will mount directly.
Can I mount a red dot sight without an adapter plate?
The top Picatinny rail is full MIL-STD 1913, so you can mount any red dot with a Picatinny base (like the Trijicon RMR with a Picatinny mount, or a Holosun 503 series). For micro dots that require a slide cut, you would need a separate adapter plate or a different mounting system.
Is the Super V system legal in all states?
The Vector SDP G2 is a semi-automatic pistol and is legal in most jurisdictions that allow standard handguns. However, some states have restrictions on threaded barrels or magazine capacity. Check your local laws before ordering. We ship to all 50 states where legal.
Ready to Add the Kriss Vector SDP G2 to Your Collection?
This .45 ACP pistol brings real recoil reduction to the table, making it a smart choice for family shooters and suppressor enthusiasts. Order yours today and experience the difference the Super V system makes.
✓ Nationwide delivery (all 50 states) ✓ Ships 1-2 business days ✓ 30-day returns ✓ Secure checkout
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Last updated: April 2026
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