SIG SAUER P320 Full-Size 9mm 4.7" Slide Assembly – Coyote Brown

The whole point of the P320 is that it's a modular system, and this is the piece that changes what your pistol looks like and how it aims. A full-size 4.7" slide assembly in Coyote Brown PVD, complete with all internal slide parts and front and rear XRAY3 day/night sights, and SIG-LOC optic ready with a removable flush-fit optics plate. SIG part number SLIDE-320X-F-9-COY, UPC 798681713691.

What You Also Need to Buy

SIG is explicit about this, and so are we: the barrel and recoil spring assembly are sold separately. SIG's wording — "This is a complete slide assembly, including all internal slide parts, and front and rear XRAY3 Day/Night sights. 4.7" Barrel and recoil spring assemblies are sold separately."

So you get the slide with its striker, extractor, and internals, plus sights and the optic plate. You will need a 4.7" 9mm barrel and a 3.81" recoil spring assembly to complete it. Contact us and we'll put the whole package together so nothing shows up half-finished.

SIG-LOC Optic Ready

The slide uses SIG's SIG-LOC (Leverage Optimized Connection) PRO footprint and is capable of mounting both SIG-LOC PRO and SIG SAUER PRO footprint optics. It ships with a removable flush-fit optics plate with top-accessible screws — so you can pull the plate and mount a dot without taking the slide apart. No optic is included.

XRAY3 Sights, Front and Rear

Both sights are included and installed: XRAY3 day/night — tritium for the dark, high-visibility front for daylight. That's a meaningful chunk of the value here, since a set of XRAY3s bought separately is not cheap.

Specifications

Frequently Asked Questions

Does it come with a barrel?
No. The barrel and recoil spring assembly are sold separately. You need a 4.7" 9mm barrel and a 3.81" recoil spring assembly. Contact us and we'll build the complete package.

What's included then?
The slide with all internal slide parts, front and rear XRAY3 day/night sights, and the removable optic plate.

Will it fit my grip module?
SIG lists all P320 full-size 9mm grip modules, plus P320-XFULL, P320-XCARRY, and Compact (non-X) modules. Contact us with your setup if you're unsure.

Will it work in .40 or .357 SIG?
No. This slide is 9mm only.

Does it void my warranty?
SIG states it does not.