XS Sights R3D 2.0 Night Sights for Sig P320 Suppressor Height Green
XS Sights
$138.37
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XS Sights
XS Sights R3D 2.0 Night Sights for Sig P320 Suppressor Height Green
The XS Sights R3D 2.0 Night Sights for the SIG P320 (Suppressor Height, Green) deliver a second-generation upgrade engineered for faster target acquisition and reliable low-light performance in everyday carry and duty applications.
- Dual-illuminated front sight combines tritium and photoluminescent glow dot for 24/7 visibility
- Wide notch serrated rear sight drives focus to the front sight and downrange target
- Suppressor-height profile clears standard suppressors and compensators without zeroing issues
- Redesigned for 50% easier installation compared to first-generation R3D sights
- Black Nitride corrosion-resistant finish stands up to years of hard EDC use
- Anti-reflective rear lens coating eliminates glare in bright outdoor shooting conditions
Who This Is For
The XS R3D 2.0 is purpose-built for SIG P320 owners who run a suppressor or suppressor-ready setup and demand night sights that perform equally well under bright afternoon sun or in total darkness. Whether you're a concealed carry permit holder, a law enforcement professional, or a competitive shooter, these sights provide the speed and confidence of a proven tritium/photoluminescent system backed by XS Sights' rugged construction standards.
Specifications
| SKU | XSSI-R203P-6N |
|---|---|
| Brand | XS Sights |
| Compatible Firearm | SIG Sauer P320 (and P365, P226, P229) |
| Sight Height | Suppressor Height |
| Front Sight | Tritium + Photoluminescent Dual-Illuminated Green Dot |
| Rear Sight | Tritium, Wide Notch, Serrated, Anti-Reflective Lens |
| Finish | Black Nitride (Corrosion Resistant) |
| Generation | 2.0 (Second Generation) |
| Installation | 50% Less Force vs. Gen 1 |
| Intended Use | EDC, Duty, Competition, Low-Light Defense |
Frequently Asked Questions
Will the R3D 2.0 suppressor-height sights co-witness with a red dot optic on the P320?
The suppressor-height R3D 2.0 sights are designed to clear standard suppressors and compensators, which also means they sit tall enough to provide a lower-third or absolute co-witness with many popular red dot optics mounted on the SIG P320. Exact co-witness height will depend on your specific optic and mounting solution, so we recommend confirming your optic's window height before purchase.
How long does the tritium in XS R3D 2.0 sights last, and do they need to be "charged"?
The tritium vials in XS R3D 2.0 sights are self-luminous and require no charging — they glow continuously for approximately 12 years before the tritium begins to noticeably dim. The photoluminescent glow dot surrounding the front sight post does absorb ambient light and will glow brighter after exposure to a light source, but the tritium element works independently of any charging in complete darkness.
Are these sights compatible with other SIG Sauer or pistol models beyond the P320?
Yes — while this listing is specifically configured for the SIG P320, XS Sights designs the R3D 2.0 line to fit a broad range of popular pistols including the SIG P365, P226, and P229, as well as Springfield Armory XD/XDS/XDM/Hellcat and FN 509 variants. Always verify the specific part number matches your exact pistol model and generation before ordering, as sight cut dimensions can vary even within the same product family.
