Description
Factory replacement Slide Assembly for the P320 Sub-Compact & P320-XCOMPACT size pistols.
Features of the p320 stainless slide:
- Optic ready. Compatibility: ROMEO1-PRO, ROMEO2, PRO, and RMR (requires sealing plate) footprint.
- XRAY3 Day/Night Suppressor height sights
- Removable flush-fit optics plate with top accessible screws
For use with:
Standard 9MM, 3.6″ non-threaded, or 4.3″ threaded barrels.
Sub-compact, XCOMPACT, and non-X Compact grip modules.
Does not void your firearm warranty.
*Remember*
This p320 stainless slide is for 9mm barrels only and is not compatible with .40, .357, or .45. This product is the SLIDE ONLY (barrel and recoil assembly are not included)
Overview of the P320 9mm 3.6″ Stainless Optic Ready Slide
The P320 Pro-Cut Subcompact 3.6″ Slide Assembly is a complete upper designed to fit subcompact P320 frames. It features:
- Stainless steel construction for long-term durability and corrosion resistance.
- Nitron finish for added protection against wear.
- XRAY3 day/night sights for visibility in all lighting conditions.
- Removable optics plate with top-access screws, allowing easy installation of red dot optics
Pros
- Optic-ready design: Direct mounting for popular red dots like Holosun or Trijicon.
- Compact size: 3.6″ barrel length balances concealability with performance.
- Durable stainless steel: Resistant to corrosion and wear.
- Factory-installed XRAY3 sights: Reliable day/night visibility without aftermarket upgrades.
- OEM precision: SIG Sauer engineering ensures a perfect fit and function.
Cons
- Price point: Retail ranges from $279–$449, higher than aftermarket slides.
- Limited aftermarket compatibility: Designed specifically for subcompact P320 frames.
- Shorter sight radius: Less accurate at longer ranges compared to full-size slides.
- Availability: Often sells out quickly due to high demand
Comparison with Other SIG Slides
| Model | Key Strength | Trade-off |
|---|---|---|
| Compact, optic-ready, corrosion-resistant | Shorter sight radius | |
| Slightly longer barrel, improved accuracy | Less concealability | |
| Best accuracy, duty-focused | Larger, heavier | |
| Classic alloy frame, versatile calibers | Heavier, less modular |
Why You Should Buy This Slide
- Future-proof upgrade: Red dot optics are becoming standard; this slide keeps your P320 competitive.
- Compact yet capable: Perfect for concealed carry while still offering optic compatibility.
- Durability: Stainless steel and Nitron finish ensure long service life.
- OEM reliability: Direct from SIG Sauer, guaranteeing fit, finish, and performance.
SIG SAUER P320 SUB-COMPACT 9MM 3.6″ SLIDE ASSEMBLY, OPTIC READY, STAINLESS. World-renowned and the choice for many of the premier global military, law enforcement, and commercial users
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