The P320-XFIVE complete 5 inches slide is designed to deliver peak performance for competitive shooters, providing a perfect balance of precision, accuracy, and durability. Equipped with a 5 inches match-grade barrel, this slide ensures exceptional shot placement and reliability in every round. The stainless steel slide construction enhances the slide’s overall strength while contributing to its long-lasting durability. It comes with a fiber optic front sight and an adjustable rear sight, which can be easily replaced with cutting-edge optics like the ROMEO2 or ROMEO-X PRO using the PRO footprint. The recoil system is built for superior reliability, featuring a solid steel guide rod and a 14 lb 1911-style spring, paired with an additional 12 lb spring to deliver a smooth and responsive shooting experience. This complete slide is engineered to take your performance to the next level in any competitive shooting environment.

• The included complete slide assembly comes with a 5 inches barrel, guide rod and (2) recoil springs, offering everything needed for easy assembly and reliable performance
• The grip module is compatible with both the full-size X and non-X series, specifically designed for use with 9mm, .357 Sig and .40S&W fire control units (FCU) but will not function with a .45ACP FCU
• The holster is compatible with P320 XFIVE holsters, offering a snug, secure fit for your firearm, ensuring ease of access and safe carrying
• Slide material stainless steel, indicating that the firearm’s slide is made from durable stainless steel for strength and resistance to corrosion
• The finish on the slide is black nitron and the barrel is also treated with black bitron, providing excellent corrosion-resistance and a sleek, durable surface
  

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  SIG SAUER Optic Ready Complete Slide Assembly – P320-XFIVE Compatible, Black Finish | Premium Factory Upgrade for Elite Shooters

  Overview: Elite Precision Redefined

  Engineered for superior performance and tactical dominance, the SIG SAUER Optic Ready Complete Slide Assembly—designed to fit the P320-XFIVE platform—delivers match-grade accuracy, uncompromising durability, and cutting-edge optics readiness. Whether you’re upgrading a standard SIG P320, assembling a competition-ready pistol, or replacing a worn slide, this black-finished slide assembly offers unmatched reliability, straight from SIG SAUER’s state-of-the-art manufacturing facilities.

  For firearm enthusiasts, competitive shooters, law enforcement professionals, and tactical operators seeking the ultimate upgrade, this optic-ready slide is a premium component built to meet and exceed your performance expectations.

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  Key Features at a Glance

  • ✅ Factory SIG SAUER Complete Slide Assembly

  • ✅ Designed to fit P320 XFIVE frames

  • ✅ Optic ready (pre-cut for ROMEO1 PRO and other red dot optics)

  • ✅ Suppressor height X-RAY3 Day/Night Sights pre-installed

  • ✅ Black Nitron finish for enhanced durability and corrosion resistance

  • ✅ Includes barrel and recoil spring assembly (drop-in ready)

  • ✅ Precision-machined from stainless steel

  • ✅ Authentic SIG SAUER OEM part – not aftermarket

  • ✅ Perfect for tactical, competition, or home defense applications

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  Unpacking the Slide: Complete, Drop-In Ready

  Unlike stripped slides that require tedious assembly or separate purchases, this Complete Slide Assembly from SIG SAUER is plug-and-play. It arrives fully outfitted with:

  • Match-grade 5” barrel

  • Factory recoil spring assembly

  • Suppressor-height X-RAY3 Day/Night sights

  • Optics-ready cut with protective cover plate

  It’s a drop-in replacement that transforms your P320 lower into a high-performance, optic-capable powerhouse in seconds.

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  Precision Machined for the P320-XFIVE

  The SIG P320-XFIVE is the pinnacle of modular striker-fired pistols, and this slide is engineered with the XFIVE’s dimensions, tolerances, and performance demands in mind. Constructed from stainless steel and treated with a durable Nitron finish, the slide is both rugged and refined.

  Its forward and rear slide serrations provide reliable grip under any condition—gloved hands, sweaty range sessions, or rapid slide manipulations in competition.

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  Optic-Ready Platform for Enhanced Target Acquisition

  Elevate your shooting game with a slide pre-cut for ROMEO1 PRO, ROMEO2, and other Deltapoint Pro footprint red dot optics. This factory optic-ready slide eliminates the need for costly milling or third-party modifications. It’s ideal for:

  • 🔹 Competitive shooters seeking faster transitions and faster split times

  • 🔹 Defensive carriers who rely on red dots for faster first shots

  • 🔹 Range enthusiasts looking to explore the advantages of modern optics

  The mounting footprint and included cover plate ensure versatility: run it bare, use iron sights, or install your favorite red dot in minutes.

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  X-RAY3 Day/Night Sights – Factory Installed

  This complete slide ships with SIG SAUER’s premium X-RAY3 suppressor-height sights, co-witnessed with most red dots. These sights offer:

  • High visibility in daylight

  • Tritium illumination for low light

  • Optimal height for suppressor or optic pairing

  No extra purchase, no aftermarket fitting—just seamless integration and maximum performance.

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  Barrel and Recoil Spring Assembly Included

  The slide includes a SIG match-grade 5-inch barrel, precision-crafted for the accuracy and performance demands of the P320-XFIVE chassis. The barrel’s lock-up with the slide is tight and consistent, delivering match-level precision shot after shot.

  Also included is a factory recoil spring assembly, tuned to provide a smooth, reliable cycling experience. Together, these parts create a balanced shooting platform with reduced muzzle rise and improved shot-to-shot control.

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  Compatibility: What Does It Fit?

  This SIG SAUER complete slide assembly is specifically engineered for the P320 XFIVE series, but due to the modular nature of the P320 platform, it can fit other full-size P320 models provided the lower module (grip module) is compatible with the 5” slide length.

  ✔️ Compatible with:

  • SIG SAUER P320 XFIVE

  • SIG P320 AXG PRO (with full-size module)

  • P320 Fire Control Unit (FCU) builds using full-size grip modules

  • Any P320 lower that accommodates a 5” slide

  ❌ Not compatible with:

  • Compact, Subcompact, or Carry grip modules

  • P320 variants using shorter slides (3.9” or 4.7”)

  • Non-P320 SIG models

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  Why Upgrade to This Slide?

  💥

  Performance Enhancement

  Upgrade your shooting experience with faster sight acquisition, reduced target transition time, and better follow-up shots, especially with a red dot mounted.

  🔧

  Customization Flexibility

  Whether you’re building a custom P320 from the ground up or modifying your current handgun, this slide gives you full control of your setup—iron sights, red dot, suppressor, and more.

  🔒

  OEM Quality & Reliability

  Don’t compromise with third-party slides that may require fitting or sacrifice tolerances. This is a 100% OEM SIG SAUER product, ensuring perfect compatibility and performance.

  🛠

  Easy Drop-In Installation

  No gunsmithing required. Just attach the slide to your existing P320 lower module and you’re ready to shoot.

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  Applications: Who Is This For?

  This SIG P320-XFIVE Complete Optic Ready Slide Assembly is perfect for:

  🥇

  Competitive Shooters

  The 5” barrel and suppressor-height sights give you edge in IPSC, IDPA, and USPSA-style matches.

  👮‍♂️

  Law Enforcement and Tactical Operators

  Enhance duty pistols with red dot sights for faster threat engagement and better visibility in low light.

  🔧

  Custom Firearm Builders

  Use it in your P320 FCU-based custom build to create a personalized, high-performance firearm without starting from scratch.

  🏠

  Home Defense Advocates

  Optics and night sights improve target acquisition during critical moments, especially in dim lighting.

  🎯

  Range and Training Enthusiasts

  Practice with top-tier components that reflect the handling of your real-world carry or competition pistol.

  Legal Note

  Ensure compliance with all local, state, and federal laws before purchasing or installing this component. Slide assemblies must be installed on legally-owned P320 frames. Check your jurisdiction’s laws regarding slide modifications and optics usage.

  p320 complete slide

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  Final Thoughts: Why This Slide Stands Out

  In a market filled with aftermarket slide options, nothing beats the factory precision, dependability, and performance of a SIG SAUER OEM slide. This complete assembly not only simplifies the upgrade process but empowers you to get the most out of your modular P320 platform. From competitions to carry, range days to duty use, the SIG SAUER Optic Ready Slide Assembly for the P320 XFIVE is your go-to solution for peak performance and tactical versatility. SIG SAUER OPTIC READY COMPLETE SLIDE ASSEMBLY SIG SAUER OPTIC READY COMPLETE SLIDE ASSEMBLY SIG SAUER OPTIC READY COMPLETE SLIDE ASSEMBLY SIG SAUER OPTIC READY COMPLETE SLIDE ASSEMBLY SIG SAUER OPTIC READY COMPLETE SLIDE ASSEMBLY SIG SAUER OPTIC READY COMPLETE SLIDE ASSEMBLY SIG SAUER OPTIC READY COMPLETE SLIDE ASSEMBLY SIG SAUER OPTIC READY COMPLETE SLIDE ASSEMBLY SIG SAUER OPTIC READY COMPLETE SLIDE ASSEMBLY SIG SAUER OPTIC READY COMPLETE SLIDE ASSEMBLY

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  • SIG P320-XFIVE Slide Assembly

  • Optic Ready P320 Slide

  • SIG SAUER P320 Slide Upgrade

  • P320 Complete Slide Black

  • ROMEO1 PRO slide cut

  • SIG SAUER slide assembly 9mm

  • X-FIVE slide barrel and spring

  • Best slide for P320 custom build

  • SIG SAUER OEM slide assembly

  • Suppressor height night sights SIG