Optics ready plates for Sig P320-XCARRY [LEGION]

The Sig Sauer P320 XCarry (& XCARRY LEGION) is a factory optics-ready pistol, designed to work with red dots right out of the box. To mount most optics safely and securely, you still need the correct adapter plate that matches both your slide and your chosen footprint.

This category gathers optics ready plates made specifically for Sig P320 XCarry models with a removable rear sight cover plate. On these slides, the rear sight is integrated into the cover: once you remove it to install a red dot, you also lose your rear sight. The plates listed here are selected so that they match this configuration.

Understand your P320 XCarry optics cut

On the P320 XCarry variants covered by this category, the slide is configured as follows:

• Rear sight integrated in the cover plate: When you remove the factory optics cover, the rear sight goes away together with it. For this reason, many shooters prefer plates with an integrated rear sight or plates that add a new rear dovetail, so they can keep a backup sight picture alongside the red dot.
• Model-specific adapter plates: All plates in this category are chosen for P320 XCarry slides that use this removable rear sight cover style. If your XCarry slide is different (for example another P320 variant or an older optic cut), check the product descriptions carefully or contact us before ordering.

Plates available for major red dot footprints

Depending on the exact plate and manufacturer, you’ll find options for many popular red dot footprints, including (model-dependent):

• Trijicon RMR / SRO
• Leupold DeltaPoint Pro–type cuts
• Shield RMSc
• Holosun K-Series
• Noblex / Vortex Venom
• Aimpoint Acro
• C-More RTS

Always verify the individual product description for the exact combination of P320 XCarry slide + optic footprint the plate is designed to support.

Precision fit for P320 XCarry optics-ready models

Each plate in this collection is CNC-machined for the optics-ready Sig P320 XCarry platform, giving you:

• Low-profile plates that keep the optic as close to the slide as possible for a more natural shooting feel.
• Plates with integrated rear sights or rear-dovetail solutions to restore a backup sight picture after removing the factory cover.
• Competition- and carry-oriented designs that maximize window exposure, durability, and repeatable zero.

This allows you to tune your XCarry for concealed carry, duty, or sport while keeping the red dot firmly mounted and zero stable over time.

Iron sights & backup sighting options

If you’d like to upgrade or replace your iron sights, we also offer iron sights for Sig P320 optics-ready models, including suppressor-height sets for co-witness setups, fiber optic fronts, and tritium night sights. On P320 XCarry slides that lose the rear sight with the cover plate, look for plates that reintroduce a rear notch or allow mounting a rear sight directly on the plate.

Have a non-OR Sig P320?

If your Sig P320 is not optics-ready from the factory, you can still mount a red dot using dovetail or dedicated mounting solutions. Explore our red dot mounts for non-OR Sig P320 pistols here.

Need plates for other Sig models?

Looking for optics plates for different Sig pistols? Browse our full range of optic adapter plates for Sig Sauer models.

Not sure which plate fits?

If you’re unsure which exact P320 XCarry slide version you have or which plate matches your optic, just contact us. Share your full model name (and ideally a photo of the slide cut with the cover removed), and we’ll help you choose the correct adapter plate for your setup.