Kriss TDI Vector SDP Gen2 — .45 ACP, 5.5in Threaded
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About this product
The Kriss TDI Vector SDP Gen2 — .45 ACP, 5.5in Threaded is a semi-automatic pistol that brings the iconic Super V recoil system to a compact, ready-to-accessorize platform. Built for shooters who want reduced muzzle rise and fast follow-ups, this Flat Dark Earth pistol comes with a threaded barrel, flip-up sights, and full-length Picatinny rails right out of the box.
Specifications
| Manufacturer | Kriss TDI |
|---|---|
| Model | Vector SDP Gen2 — .45 ACP, 5.5in Threaded |
| Material | Polymer frame, steel barrel and internal components |
| Compatibility | .45 ACP ammunition; accepts most MIL-STD 1913 accessories |
| Finish | Flat Dark Earth (FDE) |
| Weight | 2.4 lbs (unloaded, per manufacturer specs) |
| Condition | New |
Key Features
- Kriss Super V Recoil System — This patented system redirects recoil energy downward and backward, keeping the muzzle flat and letting you get back on target faster. Why it matters: Less muzzle climb means quicker, more accurate follow-up shots, especially in .45 ACP.
- 5.5-inch Threaded Barrel — Factory-threaded 1/2x28 for suppressors or compensators. Why it matters: You can run a can right away without sending the barrel off to a smith — just thread and go.
- Full-Length MIL-STD 1913 Top Rail — Continuous Picatinny rail from the receiver to the muzzle. Why it matters: Mount any red dot, holographic, or magnifier without adapter plates; zero holds solid.
- Ambidextrous Safety & Magazine Release — Controls work for left- and right-handed shooters. Why it matters: No fumbling to swap hands or reach for controls under stress — it’s naturally intuitive.
- Low-Profile Flip-Up Sights — Metal, fold-down front and rear sights that co-witness with optics. Why it matters: You have a backup aiming solution if your battery dies or your optic takes a hit.
Who It's For
This pistol is built for shooters who want a .45 ACP handgun that handles more like a 9mm. It’s a great fit for home defense, range use, and anyone looking to run a suppressor without a ton of extra weight up front. The Super V system makes it especially appealing to new shooters who struggle with muzzle flip, or to experienced shooters who want faster splits on target.
Pros and Cons
- Pro: The Super V system genuinely reduces felt recoil — you’ll notice it on the first shot.
- Pro: Threaded barrel is standard, not an add-on, saving you $150–200.
- Pro: Full-length top rail gives you tons of mounting options.
- Con: The grip angle is unique and may take a few range trips to feel natural if you’re used to a 1911 or Glock.
Comparison
| Feature | Kriss TDI Vector SDP Gen2 | Zev Technologies OZ9 | Agency Arms Agency 920 |
|---|---|---|---|
| Caliber | .45 ACP | 9mm | 9mm |
| Barrel Length | 5.5 inches (threaded) | 5.1 inches | 5.4 inches |
| Recoil System | Super V delayed blowback | Standard tilt-barrel | Standard tilt-barrel |
| Rail System | Full-length top and bottom | Partial top, full bottom | Partial top, full bottom |
| Weight (unloaded) | 2.4 lbs | 1.8 lbs | 1.9 lbs |
| Price | $1,269.99 | ~$1,800 | ~$1,650 |
FAQ
Does the Kriss TDI Vector SDP Gen2 come with a suppressor?
No, the pistol does not include a suppressor. The 5.5-inch barrel is threaded 1/2x28 so you can attach a suppressor or compensator you already own or purchase separately.
Is this pistol legal to own in my state?
Firearm laws vary by state and locality. We recommend checking with your local firearms authority before ordering. The Vector SDP Gen2 is classified as a semi-automatic pistol under federal law, but some states have restrictions on threaded barrels or magazine capacity.
What type of magazines does it use?
It uses Kriss Vector-specific magazines in .45 ACP. Standard capacity is 13 rounds, with 10-round magazines available for restricted states. Magazines are not interchangeable with Glock or 1911 patterns.
Can I mount a red dot without an adapter plate?
Yes, the top rail is a continuous MIL-STD 1913 Picatinny rail. Most red dots with a Picatinny or RMR footprint can mount directly using the included screws or a standard adapter — no custom plates needed.
What is the warranty on this pistol?
Kriss TDI offers a limited lifetime warranty to the original owner. If you have a defect in materials or workmanship, they’ll repair or replace it. The warranty does not cover normal wear, modifications, or misuse.
Why Buy From Us
- ✅ Nationwide delivery to all 50 states (we ship to your FFL)
- ✅ Ships in 1–2 business days from our shop
- ✅ 30-day returns on unused items in original packaging
- ✅ Secure checkout with SSL encryption
Last updated: April 2026
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