The SIG Sauer P320 XCompact: Redefining Compact Firearms
The SIG Sauer P320 series has long been a staple in the world of firearms, known for its modularity, reliability, and innovative design. Among the variants, the SIG Sauer P320 XCompact lineup, featuring the 9mm 10+1 and the Compact RXP 9mm 15+1, stands out for its perfect balance of form, function, and advanced optics integration. These pistols cater to enthusiasts and professionals seeking concealed carry options without compromising performance. Let’s dive into the details and compare the two variants that are revolutionizing the compact pistol category.
Built for Precision and Performance
Both the P320 XCompact 9mm 10+1 and the P320 Compact RXP 9mm 15+1 share a common ethos: delivering precision, reliability, and cutting-edge technology in a compact frame. They feature the hallmark modularity of the P320 series, allowing users to customize their pistols to suit individual needs.
Key Features:
- Striker-Fired Action: Ensures a smooth, consistent trigger pull for enhanced accuracy.
- Nitron Finish: Provides a durable, sleek black finish to resist wear and corrosion.
- Advanced Sights: Equipped with XRAY3 day/night sights for clear visibility in varying lighting conditions.
- Compact Dimensions: Perfect for concealed carry without sacrificing comfort or control.
- Factory-Installed ROMEO1 PRO Optic: Ensures faster target acquisition, ideal for shooters transitioning to red dot sights.
Additional Features:
- Polymer Frame Construction: Lightweight yet durable, making it ideal for extended use.
- Customizable Grip Modules: Users can swap out grip modules to fit different hand sizes or preferences.
- Extended Beavertail: Enhances comfort and recoil control for more precise shooting.
- Low Profile Magwell: Speeds up reloading while maintaining a sleek design.
Detailed Comparison of Variants
SIG Sauer P320 XCompact 9mm 10+1
The P320 XCompact 9mm 10+1 elevates the compact pistol experience with its exclusive slide-mounted ROMEO1 PRO optic, providing exceptional accuracy and faster sight acquisition. This model comes equipped with a 3.6″ barrel and a stainless steel frame enhanced with a beavertail and Picatinny rail for added versatility.
| Feature | Details |
| Item | B2_SIG_320XC9BXR3RXP10 |
| SKU | 320XC9BXR3RXP10 |
| Model | P320 |
| UPC | 798681621316 |
| Price | $1,138.67 |
| Manufacturer | Sig Sauer |
| Pricing Unit | GN |
| Action | Striker Fire |
| Barrel Description | Carbon Steel |
| Barrel Finish | Black |
| Barrel Length | 3.60″ |
| Barrel Length in Inches | 3.6 |
| Barrel Material | Carbon Steel |
| Caliber/Gauge | 9mm Luger (9×19 Parabellum) |
| Capacity | 10 |
| Dimension | 3.25 X 9.70 X 13.60 |
| Finish | Nitron |
| Finish/Color | Black |
| Frame Color | Black |
| Frame Description | Stainless Steel Frame w/Beavertail & Picatinny Rail |
| Frame Finish | Black |
| Frame Material | Stainless Steel |
| Grip Material | Polymer |
| Grip Type | Polymer |
| Grips | Black Polymer |
| Hand | Right |
| Height | 6.20″ |
| Includes | 2 Magazines |
| Magazine | 2 / 10 rd. Steel |
| Max Chamber Size | 10 |
| Number of Magazines Included | 2 |
| Overall Length (OAL) | 7″ |
| Series | XCompact |
| Sight Configuration | XRAY3 Front, Night Sight Rear Plate |
| Sight Style | Fiber Optic |
| Sights | FS: XRay3 |
| Similar Items | HG9MM |
| Size | Compact |
| Slide Color | Black |
| Slide Description | Black Nitron Stainless Steel |
| Slide Finish | Black Nitron |
| Slide Material | Stainless Steel |
| Stock | Polymer Frame / Polymer X Grips Grips |
| Stock Material | Polymer |
| Trigger | XSeries Flat |
| Type | Striker Fired |
| Type of Action/Function | SEMI-AUTO |
| Type of Sights | NIGHT SIGHTS |
| Weight | 25.30 oz |
| Weight in Ounces | 29.4 |
| Width | 1.40″ |
| ROMEO1 PRO Optic | Slide-mounted, installed and zeroed |
| Features of ROMEO1 PRO | Faster sight acquisition, improved accuracy, great for shooters |
Highlights:
- Enhanced Ergonomics: Polymer grip with a flat trigger for improved handling.
- Compact Yet Powerful: Compact size without compromising firepower or precision.
- Trusted Performance: Backed by SIG’s legacy of reliability and innovation.
- Optics-Ready Design: Factory-zeroed ROMEO1 PRO for instant use.
SIG Sauer P320 Compact RXP 9mm 15+1
The Compact RXP 9mm 15+1 takes concealability and performance to the next level with its redesigned modular XSeries grip. This model’s standout features include a reduced fastback carry cut, a low-profile magwell, and an extended beavertail for superior control and comfort.
| Feature | Details |
| Item | B2_SIG_320XC9BXR3RXP |
| SKU | 320XC9BXR3RXP |
| Model | P320 |
| UPC | 798681621309 |
| Price | $1,138.67 |
| Manufacturer | Sig Sauer |
| Pricing Unit | GN |
| Action | Striker Fire |
| Barrel Description | Carbon Steel |
| Barrel Length | 3.60″ |
| Barrel Length in Inches | 3.6 |
| Caliber/Gauge | 9mm Luger (9×19 Parabellum) |
| Capacity | 17 |
| Dimension | 3.15 X 16.35 X 15.05 |
| Finish | Nitron |
| Finish/Color | Black |
| Frame Color | Black |
| Frame Description | Black Stainless Steel with Picatinny Rail |
| Frame Finish | Black |
| Frame Material | Stainless Steel |
| Grip Material | Polymer |
| Grip Type | Polymer |
| Grips | Black Polymer |
| Hand | Right |
| Height | 6.20″ |
| Includes | 2 Magazines, ROMEO1 Pro |
| Magazine | 2 / 15 rd. Steel |
| Max Chamber Size | 15 |
| Number of Magazines Included | 2 |
| Overall Length (OAL) | 7″ |
| Series | XCompact RXP |
| Sight Configuration | XRAY3 |
| Sight Style | Night |
| Sights | FS: XRay3 |
| Similar Items | HG9MM |
| Size | Compact |
| Slide Color | Black |
| Slide Description | Serrated Black Nitron Stainless Steel with Optic Cut |
| Slide Finish | Black Nitron |
| Slide Material | Stainless Steel |
| Stock | Polymer Frame / Polymer X Grips Grips |
| Type | Striker Fired |
| Type of Action/Function | SEMI-AUTO |
| Type of Sights | NIGHT SIGHTS |
| Weight | 25.80 oz |
| Weight in Ounces | 29.40 oz |
| Width | 1.40″ |
| ROMEO1 PRO Optic | Slide-mounted, installed and zeroed |
| Features of ROMEO1 PRO | Faster sight acquisition, improved accuracy, great for shooters |
| Grip Description | Completely redesigned modular polymer XSeries grip with reduced fastback carry cut and low-profile internal magwell |
| Beavertail Description | Extended beavertail with high undercut trigger guard for improved recoil control and comfort |
| Compatibility | Fully compatible with ROMEO1PRO reflex optic |
Highlights:
- Optimized Grip: The XSeries grip ensures a secure hold and improved recoil management.
- Versatile Performance: Compatible with the ROMEO1 PRO optic for enhanced targeting.
- Concealed Carry Excellence: Lightweight and compact with a higher magazine capacity.
- Day/Night Readiness: XRAY3 sights for reliable performance in all lighting conditions.
Enhanced Modularity and Customization
One of the defining features of the P320 series is its unparalleled modularity. Both the XCompact 10+1 and Compact RXP 15+1 are equipped with a serialized fire control unit (FCU), which allows users to:
- Swap between different grip modules to suit hand size or aesthetic preferences.
- Change calibers using SIG Sauer’s caliber exchange kits.
- Transition between full-size, compact, and subcompact configurations with ease.
This flexibility ensures that each P320 pistol can evolve with the shooter’s needs, making it a long-term investment.
Why Choose the SIG Sauer P320 XCompact?
- Unparalleled Modularity: Both variants are part of the P320 platform, renowned for its modular fire control unit (FCU). This allows users to swap frames, slides, and barrels effortlessly, tailoring the firearm to specific needs or preferences.
- Cutting-Edge Optics Integration: The factory-installed ROMEO1 PRO optic revolutionizes target acquisition, offering rapid and precise alignment. The reflex sight is perfect for modern shooters seeking an edge in accuracy and speed.
- Superior Ergonomics: From the XSeries grip to the flat trigger, these pistols are designed with user comfort and control in mind, ensuring a seamless shooting experience even under challenging conditions.
- Compact Yet Capable: With dimensions optimized for concealed carry, these pistols offer a balance of size, capacity, and performance, making them ideal for self-defense and professional use.
- Durability and Reliability: Built with stainless steel and a Nitron finish, the P320 XCompact series is engineered to withstand harsh environments and extensive use.
Pricing and Availability
Both the P320 XCompact 9mm 10+1 and the Compact RXP 9mm 15+1 are priced at $1,138.67, reflecting the premium quality and innovative features that SIG Sauer delivers. These pistols are available at leading firearm retailers and come with two magazines, ensuring shooters are range-ready right out of the box.
For those seeking additional accessories, SIG Sauer offers a range of compatible holsters, caliber exchange kits, and cleaning tools to enhance the ownership experience.
Final Thoughts: A Compact Revolution
The SIG Sauer P320 XCompact pistols redefine what compact firearms can achieve. Whether you prioritize the precision and optics of the 10+1 model or the advanced grip and higher capacity of the 15+1 RXP, both variants deliver exceptional performance and reliability. They embody the pinnacle of SIG Sauer’s engineering excellence, making them a must-have for professionals, enthusiasts, and concealed carry permit holders alike.
Additionally, the modularity of the P320 platform ensures these pistols can adapt to future needs, offering unparalleled value. Choose the SIG Sauer P320 XCompact and experience the perfect harmony of form, function, and innovation
Please Note: Product pricing and availability may vary. Please verify current pricing and stock information from our website at https://www.bigstonesarmory.com.

