# Kriss Vector Gen II Tactical .45 ACP Precision Pistol

**Brand:** KRISS USA
**Category:** Semi-Automatic Rifles
**Caliber:** .45 ACP

## Specifications

- **Caliber:** .45 ACP
- **Barrel Length:** 5"
- **Capacity:** 13 rounds
- **Finish:** Black Nitride (QPQ)
- **Weight:** 94.4 oz
- **Overall Length:** 16"
- **UPC:** 810237023044
- **SKU:** UCEGPPybM

## Description

The Kriss Vector Gen II SDP is a semi-automatic pistol chambered in .45 ACP, built around a closed bolt, delayed blowback operating system that redirects bolt mass downward on firing. This mechanism reduces muzzle rise and felt recoil compared to a conventional blowback design, which makes rapid follow-up shots more manageable.

### Key Specifications
- **Brand:** Kriss USA
- **Model:** Vector Gen II SDP
- **Caliber:** .45 ACP
- **Action:** Semi-Auto
- **Capacity:** 13+1 rounds
- **Barrel Length:** 5.5 inches
- **Overall Length:** 16.75 inches
- **Weight:** 5.90 lbs
- **Safety:** Ambidextrous
- **Sights:** Flip Up Front & Rear
- **Finish:** Black Nitride

### Detailed Features

The closed bolt design seats the round fully before the firing pin drops, contributing to consistent ignition. The ambidextrous safety works for left- and right-handed shooters without modification. Flip-up front and rear sights give a usable iron sight picture while leaving the top rail open for an optic.

The barrel is 4140 Chrome Moly steel with a black nitride finish. The receiver is polymer. At 5.90 lbs and 16.75 inches overall, this is a large pistol, closer in size to a short-barreled carbine than a conventional handgun.

### Usage Scenarios

- **Home Defense**: High capacity and moderate recoil under rapid fire make it practical in this role.
- **Sport Shooting**: The delayed blowback system and 5.5-inch barrel suit competition formats that allow this platform.
- **Tactical Training**: The unusual operating system rewards practice in understanding its manual of arms.

## Frequently Asked Questions

**Q: What caliber is the Vector SDP?**

A: The Vector SDP is chambered in .45 ACP.

**Q: Who makes the Vector SDP?**

A: Kriss USA makes the Vector SDP.

**Q: What type of firearm is the Vector SDP?**

A: It is a semi-automatic pistol with a closed bolt, delayed blowback operating system.

**Q: What is the barrel length of the Vector SDP?**

A: The Vector SDP has a 5.5-inch barrel.

**Q: How many rounds does the Vector SDP hold?**

A: It has a 13+1 capacity.

**Q: Is the Vector SDP threaded?**

A: Some listings describe the Vector SDP with a threaded barrel. Check the specific vendor listing to confirm the configuration before purchasing.

**Q: Where can I buy the Vector SDP?**

A: Compare current vendor offers on this page.

## What Reviewers Say

*Quoted verbatim from YouTube reviews. Each link opens the video at the moment quoted.*

> Blowback operation is the standard operation for 9mm pistol caliber carbines. It's very reliable and cheap and easy to make. However, it's not really ideal because it adds a lot more recoil than you really need.
>
> — [Honest Outlaw](https://www.youtube.com/watch?v=TQnfE4kATQw&t=102s)

> We have a magazine release right here, which can be a bit of an issue if you are not holding it correctly.
>
> — [Honest Outlaw](https://www.youtube.com/watch?v=TQnfE4kATQw&t=348s)

> The trigger here is a subgun trigger. However, it is considerably better in my personal opinion than the MP5.
>
> — [Honest Outlaw](https://www.youtube.com/watch?v=TQnfE4kATQw&t=467s)

> Really nice pull. And it's got a quick reset as well. And that allows you to have really quick follow-up shots, which is what you want for a subg gun.
>
> — [Honest Outlaw](https://www.youtube.com/watch?v=TQnfE4kATQw&t=480s)

> I thought it would be a little too rusty to hit those small targets with a 9mm PCC, especially considering you get some drop there at 100 yards. But super accurate.
>
> — [Honest Outlaw](https://www.youtube.com/watch?v=TQnfE4kATQw&t=604s)

## What Customers Say

*AI-generated insights from customer reviews*

The Kriss Vector Gen II SDP draws strong opinions from .45 ACP shooters. The delayed blowback operating system is the main talking point: most users agree that muzzle rise during rapid fire is noticeably lower than a comparable straight-blowback or locked-breech design, which makes strings of shots feel controlled. Accuracy feedback is generally positive across varying distances.

Ergonomics get mixed reviews. The folding brace geometry and grip angle suit some shooters well and feel awkward to others. The adjustable stock and grip options for the Vector platform are frequently mentioned as a reason to buy, since users can configure the pistol to fit their preferences.

The .45 ACP caliber is appreciated for its terminal performance, though some shooters mention that the Vector's size makes it a niche choice compared to a compact carry pistol in the same cartridge.

Price is a regular topic. The Vector sits at a premium compared to many .45 ACP pistols, and debates over whether the unique operating system justifies the cost are common. Most long-term owners feel it does; buyers who primarily wanted a standard .45 ACP duty pistol tend to find it over-engineered for that purpose.

Customization options and the wide accessory ecosystem are consistently cited as positives. Availability varies by region, which frustrates some potential buyers.

## Pricing

**13 offers available**

| Vendor | Price |
|--------|-------|
| Shootingsurplus Com | $1139.57 |
| Impactguns Com | $1141.99 |
| Kygunco Com | $1149.84 |
| Deguns | $1249.99 |
| Gunbuyer Com | $1249.99 |
| Sportsmansguide Com | $1249.99 |
| Globalordnance Com | $1249.99 |
| Centerfiresystems Com | $1249.99 |
| Palmettostatearmory Com | $1250.99 |
| Guns Com | $1271.99 |

*...and 3 more offers*

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*Data from [GunsNation](https://gunsnation.com)*