Sig P320 sights & optics

Here you find the accessories and upgrades we have for sighting on the Sig P320: optic plates and red dot mounts that put a red dot on your Sig P320, red dots that fit the optic cut directly and iron sights. Everything on this page is made for the Sig P320, so you only need to pick the right group for your pistol.

Putting a red dot on your Sig P320

• Optic plate: for a slide with a factory optic cut closed with a cover plate. The plate goes into the cut and takes the red dot. We have plates for the Trijicon RMR, Shield RMSc, Holosun K-series, Leupold DPP, Docter, C-More RTS, Aimpoint Acro and Holosun EPS footprints. See Optics ready plates for Sig P320 [Pro Cut], Optics ready plates for Sig P320 [X-Five 2014-2018] and Optics ready plates for Sig P320 [removable rear sight].
• Red dot mount: carries the red dot on a Sig P320 without an optic cut. We have mounts for the Trijicon RMR, Shield RMSc, Holosun K-series, Leupold DPP, Docter and C-More RTS footprints, made by EGW, Outer Impact, Shield Sights and Toni System. See Red dot mounts for Sig Sauer P320.
• Direct-fit red dot: fits the optic cut without a plate. See Direct-fit red dots for Sig P320.

A plate fits only a slide with the optic cut, and a mount is for a Sig P320 without it.

Choosing a plate or mount by footprint

Every plate and mount takes one footprint or a group of footprints. Find the footprint of your red dot in its specifications and take the plate or mount that names it.

Sights for the Sig P320

Our iron sights for the Sig P320 come from Angry Bear, LPA and Night Fision. Sight pictures: blank, fiber optic, luminescent dots, tritium, white dots and white lines. If you use a red dot, choose tall co-witness sights so you see them through the window. See Sights for Sig P320 [classic] and Sights for Sig P320 [OR].

Frequently asked questions

Which red dot fits a Sig P320?

Red dots with the Trijicon RMR, Shield RMSc, Holosun K-series, Leupold DPP, Docter, C-More RTS, Aimpoint Acro and Holosun EPS footprints, on the plate or mount for your pistol. Some red dots fit the optic cut directly, without a plate: Holosun SCS 320.

Can I install a plate at home?

Yes. A plate needs no gunsmith and no milling: remove the cover plate from the optic cut, screw the plate in and the red dot onto it. Put a drop of threadlocker on every screw.

Can I change the sights on my Sig P320 at home?

Yes, with a sight pusher or a punch. Drift the old sight out of the dovetail and push the new one in. If you do not have the tool, a gunsmith can do it for you.