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The SIG Custom Works division doesn't put their name on something unless it's earned it, and the P320 Spectre Comp Blackout is a perfect example of that. Built on the proven P320 Full-size platform, this variant takes things up a notch with a laser-engraved TXG tungsten-infused grip module finished in Cerakote Elite Series Blackout. The tungsten content in the grip adds noticeable heft to the lower half of the gun, which works together with the compensator to keep muzzle rise genuinely manageable shot after shot.
The single-port compensator on the 4.6-inch threaded barrel (1/2×28 thread pitch) isn't just a cosmetic add-on. SIG Custom Works engineered it to reduce muzzle flip by over a third compared to a standard barrel setup, and reviews from real range sessions back that up. The comp attaches via two taper screws and interfaces with a machined projection on the front of the slide for a tight, secure fit. One detail worth noting: the front XRay3 sight is mounted directly on the compensator rather than the slide, which keeps the sight picture stable and helps with faster target reacquisition. The compensator is removable if you ever want to run a suppressor or swap things up.
The optic-ready slide comes drilled and tapped for popular red dots including the Romeo1 PRO, Deltapoint PRO, and RMR, and the XRay3 day/night sights are there as a reliable backup regardless of what you mount on top. The flat XSeries skeletonized trigger is another highlight — it has a clean break and a feel that most serious pistol shooters will appreciate right away without any aftermarket work needed. The overall weight runs just under 42 ounces with a magazine loaded, which sounds heavy on paper but translates to a gun that sits flat and tracks well between shots.
This is a pistol built for people who want a high-performance 9mm that ships ready to compete, train hard, or just thoroughly enjoy at the range. Every piece of it was chosen with intention, and it shows.
Yes, the compensator comes off easily. It's secured to the threaded barrel with two taper screws, and the design is intentional enough that there's really only one correct way to reinstall it, which keeps the timing consistent. Removing it gives you access to the 1/2×28 threaded muzzle if you want to run a suppressor or a different comp.
The optic-ready slide is drilled and tapped to accept several popular red dots, including the SIG Romeo1 PRO, Leupold Deltapoint PRO, and Trijicon RMR. The XRay3 iron sights are mounted independently and stay functional whether or not you have an optic on the gun.
SIG Custom Works rates the single-port comp at reducing muzzle flip by over one third compared to a standard barrel. The tungsten-infused TXG grip module also contributes to overall felt recoil reduction by adding weight low on the frame. In practice, the combination makes follow-up shots noticeably quicker and the front sight easier to track.
It's purpose-built for exactly that kind of use. The flat skeletonized XSeries trigger, optic-ready slide, compensated threaded barrel, and flared magwell all point toward a gun designed for speed and accuracy on a course of fire. It also works well as a premium range pistol or serious training gun for anyone who wants factory-quality upgrades without piecing together a custom build.
The barrel uses a standard 1/2×28 thread pitch, which is the most common thread pattern for 9mm pistols in the US. That means it's compatible with a wide variety of suppressors and aftermarket muzzle devices if you ever decide to pull the factory compensator off.
This particular SKU is configured with two 10-round steel magazines to comply with magazine capacity restrictions in certain states where it's sold. The pistol itself is identical to the higher-capacity variants in every other respect, and it accepts standard P320 full-size magazines including higher-capacity options where permitted.
| UPC | 798681683086 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | P320V004-10 |
| Action | |
| ATF Type | Pistol |
| Barrel Finish | Black Nitride |
| Barrel Length | 4.6'' |
| Caliber/Gauge | 9mm |
| Capacity | 10+1 |
| Color | Black |
| Length | 8.5'' |
| Magazine Included | 2 x 10-Round |
| Model | |
| Number of Magazines | 2 10 rd. Steel |
| Package Height | 3.1 |
| Package Width | 9.7 |
| Product Type | Semi-Auto Pistol |
| Safety | No |
| Shipping Weight | 4.2 |
| Sights | XRAY3 Day/Night Sights |
| Sights Type | Night Sights |
| Slide Description | Compensated/Serrated |
| State Restriction (CA) | NO DIRECT SHIP TO CALIFORNIA |
| State Restriction (IL) | NO SALE TO ILLINOIS PICA |
| State Restriction (OR) | NO SALE TO OREGON |
| State Restriction (RI) | NO DIRECT SHIP TO RHODE ISLAND |
| State Restriction (WA) | NO DIRECT SHIP TO WASHINGTON |
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