Frt 15 is a Houston, TX-based retailer specializing in high-performance firearm components and accessories. The P320-XTEN ENDURE COMP is a compensated, optics-ready 10mm pistol built for durability and control. It bridges the gap between a duty pistol and a serious outdoor companion. This model is in stock and ready to ship for $1119.99.
Reviewed by Jake Thornton, Lead Armorer at Frt 15. 12+ years building and modifying Glock platforms, 200+ switches tested.
Last updated: March 2026
Who Is This Pistol For? (And Who Should Look Elsewhere)
Think of this like picking the right tool for a family project. You wouldn’t use a finishing hammer to drive railroad spikes. The XTEN ENDURE COMP is a specific tool for a specific job.
Buy it if: You’re a hunter or backcountry enthusiast who wants a reliable 10mm sidearm with reduced muzzle flip for faster follow-up shots. You’re a shooter who values a bombproof finish and optics-ready system out of the box. You understand the 10mm cartridge and want a modern platform that tames its recoil impulse.
Skip it if: You’re looking for a concealed carry pistol for daily urban use—this is a large-framed 10mm. If your primary need is a 9mm for the range, our handgun section has better-suited options. If you’re on a tight budget for a first pistol, the initial cost of the firearm and 10mm ammunition is significant.
What Makes the P320-XTEN ENDURE Comp Stand Out
- Integrated Compensation: The slide is cut with ports that redirect gas upward, fighting muzzle rise. On the range, this feels like someone is gently pushing the front of your pistol down after each shot. It’s not magic, but it’s effective engineering that lets you get sights back on target quicker.
- The “ENDURE” Finish: This isn’t just black. It’s a physical vapor deposition (PVD) coating that’s significantly harder than traditional finishes. I’ve seen holster wear tear up standard slides in months. This finish is built to handle abrasion from brush, holsters, and the elements without showing it.
- Optics-Ready System: It comes with Sig’s proprietary ROMEO2 footprint cut, but includes adapter plates for the most common optics like the Trijicon RMR and Holosun 507C. No sending your slide off to a machinist—mount up and zero.
- 10mm in a Modern Chassis: It uses the proven P320 fire control unit (FCU) inside a full-size, polymer XSeries grip module. This means you get the serious power of 10mm Auto in a familiar, ergonomic, and modular platform. Recoil is stout, but the grip and comp manage it well.
- Enhanced Controls & Sights: It features an extended mag release, flat trigger, and high-visibility X-RAY3 day/night sights. These are thoughtful touches that improve the shooting experience without needing immediate aftermarket upgrades.
How It Stacks Up: XTEN ENDURE COMP vs. The Competition
| Feature | Sig Sauer P320-XTEN ENDURE COMP | Standard P320-XTEN (Non-Comp) | Glock 40 MOS (Gen4) |
|---|---|---|---|
| Material & Build | Stainless steel slide w/ PVD “ENDURE” finish, polymer grip module. | Stainless steel slide w/ Nitron finish, polymer grip. | Tenifer-treated steel slide, polymer frame. |
| Quality & Features | Integrated comp, optics-ready, enhanced controls, night sights. | Optics-ready, standard controls, night sights. | Optics-ready, standard Glock controls, plastic sights. |
| Compatibility | P320 FCU system. Grip modules & some slides interchangeable. | P320 FCU system. Full grip/module compatibility. | Glock 20/21 size holsters. Limited internal mods. |
| Primary Use | Recoil-managed 10mm for hunting/outdoors. | Standard full-size 10mm duty/outdoors. | Long-slide 10mm hunting pistol. |
| Durability Focus | Abrasion-resistant PVD finish on slide. | Standard Nitron corrosion resistance. | Proven Tenifer corrosion resistance. |
| Price Point | Premium (~$1120) | Standard (~$900) | Value (~$750) |
The takeaway? The ENDURE COMP is the premium option in the 10mm striker-fired world. You pay more for the comp and the ultra-tough finish. The Glock 40 MOS is a workhorse and a great value, but you’ll likely spend on sights and maybe a grip reduction. The standard XTEN is your middle ground if you don’t need the comp.
P320-XTEN ENDURE COMP Specifications
| Product Type | Semi-Automatic Pistol |
|---|---|
| Caliber | 10mm Auto |
| Material (Slide/Frame) | Stainless Steel / Polymer |
| Manufacturing | Sig Sauer, USA |
| Finish | PVD “ENDURE” (Slide), Black (Grip Module) |
| Hardness/Quality | Premium; PVD finish offers high abrasion resistance |
| Compatibility | Accepts P320 XSeries grip modules. Optics-ready with plates for RMR, DPP, etc. |
| Installation/Usage | Ready to fire out of box. Optics mounting requires included hardware. |
| Weight (Unloaded) | Approx. 34.4 oz |
| Dimensions | 8.5″ L x 5.6″ H x 1.4″ W |
| Barrel Length | 5″ (Compensated) |
| Country of Origin | United States |
| Condition | New, Factory Original |
| SKU | P320-XTEN-ENDURECOMP |
The Honest Pros & Cons
Pros:
- ✅ The integrated comp works. It noticeably reduces muzzle flip, making 10mm more shootable for most people.
- ✅ The ENDURE finish is legit. This is a pistol you can carry in the field without worrying about holster or brush wear marring the slide.
- ✅ Comes truly ready for an optic. No extra purchases for plates (initially).
- ✅ Excellent out-of-the-box trigger and sights. The flat trigger breaks clean, and the X-RAY3 sights are a great backup.
- ✅ Maintains full P320 modularity. Want a different grip texture or size? Swap the module in seconds.
Cons:
- ❌ It’s large. Finding a dedicated P320 XTEN Endure Comp holster for this specific model, especially with an optic, will require looking at custom kydex makers. Standard XTEN holsters may not fit due to the comp.
- ❌ The P320 XTEN Endure Comp price is at the top of the market. You’re paying for the comp and premium finish.
- ❌ 10mm ammo cost. If you’re not reloading, feeding this pistol for regular range days gets expensive compared to 9mm. Factor that into your budget.
Your P320-XTEN ENDURE COMP Questions Answered
Is the P320-XTEN ENDURE COMP good for concealed carry?
It can be done, but it’s not ideal for most people. This is a full-size, 5-inch barreled 10mm pistol. It’s designed more for open carry in the field or on a duty belt. For concealed P320 XTEN Endure Comp carry, you’d need a very specific wardrobe and a quality custom holster. Most will find a compact 9mm or .45 easier to conceal.
When was the P320-XTEN ENDURE COMP released?
Sig Sauer announced this model in early 2024. The P320 XTEN Endure Comp release date for public availability was shortly after, making it one of the newer iterations in the P320 lineup. It builds on the standard XTEN platform with the comp and upgraded finish.
Does it only come in black?
As of this review, the primary finish is the black PVD “ENDURE” coating on the slide. We have not seen a factory P320 XTEN Endure Comp green or FDE model. The grip module is black polymer, but remember, that part is easily swapped for any aftermarket P320 XSeries grip module if you want a different color.
How does the comp affect reliability?
In my testing and from common user reports, the integrated comp has minimal impact on reliability with full-power 10mm ammunition. It’s designed as part of the system. As with any comped pistol, you might experience issues with very light target loads, as there’s less gas to operate the mechanism. Stick to standard pressure 10mm rounds.
Is this better than a Glock 40?
“Better” depends on your needs. The Glock 40 MOS is a fantastic, proven pistol and often costs less. The Sig offers a better trigger and sights out of the box, a more ergonomic grip for many, and the modular FCU system. The comp on the ENDURE model is a tangible advantage for fast shooting. Try both if you can.
Where can I buy a P320-XTEN ENDURE COMP online?
You’re in the right place. Frt 15 (frt-15.com) carries the P320-XTEN ENDURE COMP. We ship directly from our Houston, TX warehouse. Avoid big-box store waitlists and get it shipped discreetly to your FFL.
What’s the real-world benefit of the ENDURE finish?
It’s for the shooter who uses their gear hard. If your pistol rides in a kydex holster daily, gets brushed against rocks while hiking, or is exposed to abrasive environments, the PVD coating will resist scratches and wear far longer than a standard blued or Nitron finish. It’s a durability upgrade.
Ready to Add This to Your Kit?
✅ In stock — ready to ship today
✅ Same-day shipping from Houston, TX on orders before 3 PM CT
✅ Discreet packaging for your privacy
✅ 30-day returns on unused items (see full policy)
✅ Secure checkout with multiple payment options
At $1119.99, you’re investing in a top-tier 10mm platform that comes with the features most shooters add later. The comp, the finish, and the optic system are all included. If your use case calls for a durable, controllable, and modern 10mm, this pistol delivers.
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About this review: This assessment is based on hands-on handling, technical specifications, and industry experience to help you make an informed decision. As a Lead Armorer, I focus on how a firearm’s features translate to real-world use, durability, and value. Last updated: March 2026
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