# Kriss Sphinx SDP Compact Alpha - Precision 9mm Pistol, 15+1 Rounds

**Brand:** KRISS USA
**Category:** Compact Handguns
**Caliber:** 9mm

## Specifications

- **Caliber:** 9mm
- **Barrel Length:** 4.35"
- **Capacity:** 15 rounds
- **Finish:** Black Nitride (QPQ)
- **Weight:** 28.18 oz
- **Overall Length:** 8.05"
- **UPC:** 810237022139
- **SKU:** UCEGPPyMl

## Description

The Kriss Sphinx SDP Compact Alpha is a hammer-fired 9x19mm pistol with a single/double action trigger, ambidextrous decocker, and interchangeable backstraps. The aluminum frame keeps weight manageable at 28.18 oz despite the steel slide.

### Key Specifications
- **Type:** Hammer Fire
- **Series:** Sphinx SDP Compact Alpha
- **Action:** Single/Double
- **Caliber:** 9x19mm
- **Capacity:** 15+1 rounds
- **Sight:** Iron Blade with White Dot Front, Serrated U Shape Rear
- **Sight Radius:** 5.7"
- **Slide Material:** PVD Coated Black Steel
- **Safety Feature:** Ambidextrous Decocker
- **Grip Type:** Black Interchangeable Backstrap (Small, Medium, Large)
- **Trigger Pull Weight:**
  - Single Action: 4+ lbs
  - Double Action: 10+ lbs
- **Barrel Material:** 4140 Pre Harden Steel
- **Frame Material:** Aluminum
- **Barrel Finish:** Black Nitride (QPQ)
- **Frame Finish:** Hardcoat Anodized Black
- **Barrel Length:** 4.35"
- **Overall Length:** 8.05"
- **Weight:** 28.18 oz
- **Overall Height:** 5.35"
- **Overall Width:** 1.37"
- **Twist Rate:** 1:10"
- **Barrel Grooves:** 6
- **Magazine Release:** Left/Right - Reversible

### Detailed Features
The three interchangeable backstraps let you dial in the grip fit without aftermarket parts. Ambidextrous decocker and reversible magazine release work for left- and right-handed shooters. The 5.7-inch sight radius on a compact pistol is notably long. PVD-coated steel slide over a hardcoat anodized aluminum frame keeps the overall weight at 28.18 oz. The 4140 steel barrel with QPQ nitride finish handles sustained fire well.

## Frequently Asked Questions

**Q: What caliber is the Kriss Sphinx SDP Compact Alpha?**

A: It is chambered in 9x19mm.

**Q: What is the barrel length of the Sphinx SDP Compact Alpha?**

A: The barrel is 4.35 inches long.

**Q: How many rounds does the Sphinx SDP Compact Alpha hold?**

A: It has a 15+1 capacity.

**Q: Who makes the Sphinx SDP Compact Alpha?**

A: Kriss manufactures the Sphinx SDP Compact Alpha.

**Q: What type of firearm is the Sphinx SDP Compact Alpha?**

A: It is a compact, hammer-fired pistol with a single/double action trigger and an aluminum frame.

**Q: Does the Sphinx SDP Compact Alpha have an ambidextrous decocker?**

A: Yes, it has an ambidextrous decocker and a reversible magazine release, making it suitable for left- and right-handed shooters.

**Q: Where can I buy the Sphinx SDP Compact Alpha?**

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.*

> It feels really nice and good in the hand for what it is it feels like it's still a little slick with just that rubber grip.
>
> — [Honest Outlaw](https://www.youtube.com/watch?v=H21CyOtqFFA&t=62s)

> It fires very well from single action obviously it's more accurate double action the trigger isn't too bad it's definitely heavy.
>
> — [Honest Outlaw](https://www.youtube.com/watch?v=H21CyOtqFFA&t=258s)

> The grip is definitely gonna take some getting used to I don't I don't love the rubber texture.
>
> — [Honest Outlaw](https://www.youtube.com/watch?v=H21CyOtqFFA&t=277s)

> I like that it's very reliable it's a good-looking gun too.
>
> — [Honest Outlaw](https://www.youtube.com/watch?v=H21CyOtqFFA&t=311s)

## What Customers Say

*AI-generated insights from customer reviews*

The SDP Compact Alpha earns praise for materials and craftsmanship. Shooters consistently describe it as accurate and reliable, and the low bore axis gets credit for managing follow-up shot recoil. Ergonomics with the interchangeable backstraps are a noted strength.

The main concerns are parts and accessory availability. The Sphinx platform is niche enough that sourcing specific components takes more effort than for Glock or SIG. Price is another recurring point; the Sphinx runs higher than many competitors, and some buyers weigh whether the quality advantage is worth the premium. Overall it's well-regarded among those who prioritize fit and finish, with the caveat that support infrastructure is thinner than mainstream alternatives.

## Pricing

**1 offers available**

| Vendor | Price |
|--------|-------|
| Gunbuyer Com | $895.19 |

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