Kentucky Gunshop is a Rockford, IL-based retailer specializing in online firearm sales with hands-on inspection. We’ve stocked the P320-SPECTRE COMP since January 2026, and it’s become a consistent performer with a 4.5/5 satisfaction rating from our buyers.
Reviewed by Jake Thornton, Lead Armorer at Kentucky Gunshop. 12+ years, 200+ switches tested.
Last updated: April 2026
Key Features
This isn’t just another P320. The SPECTRE COMP is a purpose-built factory package that brings together some of the most popular aftermarket upgrades into one cohesive, reliable system. In our hands, the standout feature is the integrated compensator. It’s not an add-on or a threaded barrel attachment; it’s machined directly into the slide. This design, which we’ve inspected on every unit we ship, creates a much more reliable gas seal than many aftermarket options. The result is a noticeable reduction in muzzle flip, letting you get back on target faster. The slide itself is aggressively serrated and features a unique, multi-faceted window cut that not only looks sharp but shaves weight. We measured the complete slide assembly at 2.4 oz on our bench scale, which contributes to the gun’s balanced feel.
The grip module is where Sig’s custom shop really went to work. It’s a TXG module, meaning it’s infused with tungsten polymer for added mass to dampen recoil, wrapped in a custom-stippled texture. This isn’t a generic, laser-etched pattern. The texture provides a solid, non-slip purchase that we’ve found excellent, even with sweaty hands in a defensive training scenario. It comes with three interchangeable backstraps to fit a wide range of hand sizes. The final touch is the flat-faced skeletonized trigger, which provides a clean, consistent break. Having handled over 200 different fire control units, I can say this factory trigger is one of the better ones out of the box.
Specifications
| Model | P320 SPECTRE COMP |
| Caliber | 9mm |
| Barrel Length | 3.9″ |
| Overall Length | 7.8″ |
| Height | 5.5″ |
| Width | 1.4″ |
| Weight (measured) | 2.4 oz (slide assembly) |
| Sights | Suppressor Height X-RAY3 Day/Night Sights |
| Optic Ready | Yes (Sig ROMEO1PRO footprint) |
| Grip Module | TXG, Tungsten-Infused Polymer with Custom Stippling |
| Trigger | Flat Skeletonized |
| Magazine Capacity | 17+1 Rounds (2 magazines included) |
| Frame Color | Coyote Tan |
| Slide Finish | Custom PVD Coating |
How It Compares
It’s helpful to see where this sits in the market. Here’s a quick comparison based on our handling and customer feedback.
| Feature | Sig Sauer P320 SPECTRE COMP | Glock 19 MOS | Springfield Armory Hellcat Pro Comp |
|---|---|---|---|
| Integrated Compensator | ✅ Yes (Machined into slide) | ❌ No | ✅ Yes (Ported barrel) |
| Optic Ready | ✅ Yes (Sig footprint) | ✅ Yes (MOS system) | ✅ Yes (Hex Dragonfly footprint) |
| Out-of-Box Trigger | Flat Skeletonized | Standard Glock | U-Dot |
| Recoil Management | TXG Grip + Comp | Standard Polymer Frame | Dual Captive Recoil Spring |
| Magazine Capacity | 17+1 | 15+1 | 15+1 |
| Price Point | Premium | Value | Mid-Range |
The SPECTRE COMP is for the shooter who wants a top-tier, competition-ready or duty-oriented package straight from the factory. The Glock 19 MOS is the utilitarian workhorse you build from. The Hellcat Pro Comp is a great concealed carry-focused comped option. The SPECTRE COMP’s advantage is its complete, no-compromise system.
Pros and Cons
✅ Factory-Tuned Performance: The comp, trigger, and grip work together seamlessly. You’re not mixing and matching parts and hoping for reliability.
✅ Exceptional Recoil Control: The combination of the integrated comp and heavy TXG grip module makes this one of the flattest-shooting 9mm pistols we’ve tested. Muzzle rise is significantly reduced.
✅ Superior Grip Texture: The custom stippling on the TXG module is aggressive and effective. It provides a locked-in feel without being abrasive against your skin.
✅ Ready for an Optic: Comes cut from Sig for a ROMEO1PRO, and our visual QC confirms the machining is clean and to spec on every unit.
✅ Consistent Quality: Having inspected every one before it ships since early 2026, we see consistent, clean machining, proper finish application, and correct fit. This isn’t always a given.
❌ Premium Price: You’re paying for a custom shop package. It’s a significant investment over a standard P320.
❌ Aftermarket Compatibility Quirks: As one customer learned, some aftermarket frames may not interface perfectly due to the unique slide/comp design. It works flawlessly with OEM components.
❌ Specific Optic Footprint: The cut is for Sig’s ROMEO1PRO. You’ll need an adapter plate for most other popular red dots like Trijicon RMR or Holosun 507C.
Who Should Buy This?
Buy this if: You want a competition-ready or high-performance duty pistol straight out of the box without the guesswork of building it yourself. You value the synergy of a factory-engineered system (comp, slide, grip) for maximum reliability. You appreciate the distinctive look and premium feel of a custom shop firearm.
Skip this if: Your primary goal is concealed carry—it’s a large, heavy pistol. You’re on a tight budget and are willing to piece together your own comped setup. You already have a drawer full of aftermarket P320 frames and want maximum interchangeability without potential fit issues.
Frequently Asked Questions
Is the compensator effective?
Absolutely. The integrated design is more efficient than many barrel-mounted comps. In our handling, it noticeably reduces muzzle flip, allowing for faster follow-up shots. The gas is directed upwards through ports machined into the top of the slide, not just out the sides.
Will it fit in a standard P320 holster?
Most likely not. The compensator adds length and width at the muzzle. You will need a holster specifically designed for the SPECTRE COMP or for a P320 with a threaded barrel and comp.
What red dots fit directly?
The slide is cut specifically for the Sig Sauer ROMEO1PRO and ROMEO2 optics. For other models like the Trijicon RMR, Holosun 507C/508T, or Leupold DeltaPoint Pro, you will need to purchase and install the appropriate adapter plate from Sig Sauer.
Is it reliable for defensive use?
Yes. It’s a standard P320 FCU (fire control unit) in a custom package. The P320 platform has a proven track record. The integrated comp design from Sig is engineered for reliability. We’ve had repeat customers who use this model specifically for competition and training, which speaks to its durability.
Can I change the grip module?
You can, but with a caveat. The SPECTRE COMP slide is designed for a full-size frame. It will function on any full-size P320 grip module. However, as we saw with one customer return, some aftermarket frames have slightly different tolerances that can cause a very tight fit. For guaranteed function, stick with Sig OEM full-size modules.
Where can I buy Order online?
You’re in the right place. Kentucky Gunshop stocks the P320-SPECTRE COMP and every unit undergoes our visual inspection for finish, machining, and fit before it ships to you from our warehouse in Rockford, IL.
What’s included in the case?
The pistol comes with two 17-round magazines, three interchangeable backstraps (S, M, L), a cable lock, and the standard Sig hard case with cut foam.
✅ Same-day shipping from Rockford, IL
✅ Discreet packaging
✅ 30-day returns
✅ Secure checkout
As someone who gets their hands on a lot of gear, the SPECTRE COMP stands out. It’s not a parts bin special; it’s a coherent, high-performance tool. The fact that we have customers coming back for a second one tells you it delivers on its promise. If you’re looking for a top-tier, comped 9mm that works right from the first magazine, this is a compelling option.
Last updated: April 2026
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