Frt 15 is a Houston, TX-based retailer specializing in high-performance firearm components and accessories. The New P320-XTEN ENDURE COMP is a factory-compensated, optics-ready pistol chambered in 10mm Auto, built for durability and control. This model delivers a significant reduction in muzzle rise, making it a standout choice for demanding use. It’s in stock and ready to ship today for $985.78.
Reviewed by Jake Thornton, Lead Armorer at Frt 15. 12+ years building and modifying Glock platforms, 200+ switches tested.
Last updated: March 25, 2026
Who Is This P320-XTEN ENDURE COMP For?
Think of this like picking the right tool for a family project. You wouldn’t use a finishing hammer to drive railroad spikes. This pistol is built for a specific job.
Buy it if: You’re a hunter or outdoorsperson in bear country who needs a reliable, high-power sidearm with faster follow-up shot capability. You’re a shooter who wants the power of 10mm but finds standard models too snappy. You’re looking for a durable, all-weather handgun ready for an optic right out of the box for competition or defense.
Skip it if: You’re looking for a concealed carry pistol for everyday urban use—this is a full-size, high-power firearm. If your primary need is a budget-friendly range toy in 9mm, the standard P320 series might be a better fit. For those who prefer to build a custom comped pistol from the ground up, check out our Accessories section for slides and aftermarket components.
What Makes the P320-XTEN ENDURE COMP Stand Out (From an Armorer’s Bench)
- Integrated Compensation: The slide is machined with a built-in compensator. This isn’t a threaded barrel add-on; it’s part of the firearm’s design. On the range, this translates to a flatter shooting experience, keeping the sights on target for your next shot. It manages the stout 10mm recoil impulse impressively.
- ENDURE Finish & Construction: The namesake “ENDURE” finish is a physical vapor deposition (PVD) coating. In my hands, it feels incredibly slick and durable—more robust than standard nitride or cerakote. This is a gun built to handle moisture, sweat, and holster wear without a second thought.
- Optics-Ready System: It comes cut for the SIG Sauer ROMEO2 optic footprint, which is becoming a common standard. The mounting system is solid. Having mounted countless optics, I appreciate a clean, well-machined cut that doesn’t require extra shims or guesswork.
- 10mm Power in a Controllable Platform: This is the key. 10mm Auto is a serious cartridge. The comp doesn’t reduce felt recoil so much as it redirects muzzle energy upward, drastically cutting muzzle flip. It turns a powerful, sometimes punishing round into a much more manageable one.
- Enhanced Grip Module & Sights: The XSeries grip has an aggressive texture that locks into your hand, even when wet. It’s paired with high-visibility X-RAY3 Day/Night sights, giving you a solid co-witness if you decide to run a red dot.
How It Stacks Up: P320-XTEN ENDURE COMP vs. The Competition
| Feature | P320-XTEN ENDURE COMP | Standard P320 XTEN (Non-Comp) | Aftermarket Comped 10mm (e.g., Glock 20 Build) |
|---|---|---|---|
| Material & Finish | Stainless slide with PVD ENDURE finish | Stainless slide with Nitron finish | Varies widely; often aftermarket cerakote |
| Build Quality | Factory-integrated, seamless design | Factory standard, proven reliability | Depends on gunsmith skill; potential for fit issues |
| Compatibility | Designed as one system; no holster fit issues from add-ons | Wide holster compatibility | Holsters may need modification for comp |
| Shipping & Setup | Ready to shoot from the box | Ready to shoot from the box | Requires assembly, tuning, potentially extra parts |
| Lifespan & Durability | Factory-tested, full warranty, robust PVD | Factory-tested, full warranty | Warranty on parts only; durability depends on build |
| Price Point | Premium factory package ($985.78) | Standard factory price (~$850) | Can exceed $1,200+ with quality parts & labor |
The takeaway? The ENDURE COMP gives you a turn-key, warrantied solution. Building a comparable custom 10mm with a comp involves sourcing parts, paying for gunsmithing, and hoping everything runs. This comes together in one proven package.
P320-XTEN ENDURE COMP Specifications
| Specification | Detail |
|---|---|
| Product Type | Semi-Automatic Pistol |
| Caliber | 10mm Auto |
| Material (Slide/Frame) | Stainless Steel / Polymer |
| Manufacturing | SIG Sauer Factory Production |
| Finish | ENDURE PVD (Physical Vapor Deposition) |
| Barrel Length | 4.6″ with Integrated Compensator |
| Overall Length | 8.5″ |
| Height | 5.8″ |
| Width | 1.4″ |
| Weight (Unloaded) | 34.4 oz |
| Magazine Capacity | 15+1 Rounds |
| Sights | X-RAY3 Day/Night Sights, Optics Ready (ROMEO2 footprint) |
| Grip Module | XSeries, Medium |
| Trigger | Flat SIG Sauer Custom Works |
| Condition | New, Factory Original |
| Country of Origin | USA |
| SKU | P320-XTEN-ENDURE-COMP |
The Honest Pros & Cons
✅ The Good:
- Recoil Management: The comp works. It makes shooting full-power 10mm loads feel closer to a hot .40 S&W.
- Out-of-Box Readiness: No need to buy an optic plate or send the slide off for milling. It’s ready for a red dot.
- Durable Finish: The ENDURE PVD is legit. It resists holster wear and corrosion better than most factory finishes.
- Ergonomics: The XSeries grip angle and texture are excellent for maintaining control during rapid fire.
- Factory Reliability & Warranty: You get SIG’s full factory support, which matters on a firearm you might depend on.
❌ The Considerations:
- Holster Selection: The integrated comp means you’ll need a holster designed for this specific model or an open-ended competition-style holster. Standard P320 XTEN holsters likely won’t fit. Check our Holsters category for compatible options.
- Size & Weight: This is a full-size, duty-style pistol. It’s built for belt carry in the field or on a range belt, not for concealed everyday carry.
- Ammunition Cost: Practicing with 10mm is more expensive than 9mm. Factor in the cost of feeding it.
Frequently Asked Questions
What is the P320 XTEN Endure Comp release date?
This is a newer model from SIG Sauer, released as part of their 2024-2025 lineup. We have it in stock and shipping now.
Is the P320 XTEN Endure Comp good for carry?
It depends on your definition of “carry.” As a woods carry or open belt carry firearm for hunting/hiking, it’s excellent. For concealed everyday carry in an urban setting, its full-size frame and integrated compensator make it large and challenging to conceal compared to compact models.
Where can I find a holster for the P320 XTEN Endure Comp?
You’ll need a holster specifically molded for this compensated model. Many major kydex holster makers offer models for it. We recommend searching for “P320 XTEN COMP holster” or selecting an open-ended competition/duty holster with ample room at the muzzle.
How does the P320 XTEN Endure Comp price compare?
At our sale price of $985.78, it represents a solid value for a factory-compensated, optics-ready 10mm. Building a similar custom pistol with aftermarket parts and gunsmithing would typically cost more, without the unified factory warranty.
Is the compensator removable?
No. The compensator is machined as an integral part of the slide. This design ensures optimal alignment and reliability but means it’s a permanent feature of the firearm.
What optics fit the P320 XTEN Endure Comp?
It uses the SIG Sauer ROMEO2 optic footprint. This footprint is also compatible with a range of popular optics using the appropriate adapter plate from SIG, including the ROMEO1Pro, Leupold DeltaPoint Pro, and others. The correct plate is usually included with the optic.
Where can I buy the P320 XTEN Endure Comp online?
You’re in the right place. Frt 15 (frt-15.com) has the New P320-XTEN ENDURE COMP in stock, ready for same-day shipping from our warehouse in Houston, TX.
✅ In stock — ready to ship today
✅ Same-day shipping from Houston, TX
✅ Discreet packaging
✅ 30-day returns
✅ Secure checkout
Ready for a 10mm that shoots as good as it looks? The P320-XTEN ENDURE COMP is a purpose-built tool that delivers on its promises. If you need a durable, high-power pistol with enhanced control, this is a top-tier factory option.
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About this review: This assessment is based on hands-on inspection and knowledge of the platform. It is written from the perspective of a professional armorer with over a decade of experience building, testing, and modifying firearms. We provide factual information to help you make an informed decision.
Last updated: March 2026
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