Are SIG P320 slides drop-in compatible?

Yes. All slides listed are drop-in compatible with the SIG P320 fire control unit and fit standard OEM and aftermarket internals.

Are these slides pre-cut for red dot optics?

Many slides are pre-cut for RMR, RMRcc, Holosun, or DeltaPoint Pro optics. Check each listing for specific cut details.

Do these slides come with barrels and internals?

Some slides are sold as complete kits, others are stripped. Product descriptions will specify what's included.

What finishes are available for SIG P320 slides?

Available finishes include Black Nitride, Flat Dark Earth (FDE), OD Green, DLC, and Grey. These finishes are both functional and stylish.

SIG P320 Slide – Optics-Ready, RMR Cut & Custom Options

Name: SIG P320 Slide
Brand: Sig Sauer
SKU: SIG-P320-SLIDE-CATEGORY

**Ggp Sig P320 Full Size Slide V1 Odg** $395.59

**Ggp Slide Sig P320 Fllsz V1 Fde** $395.59

**Ggp Slide Sig P320 Cmpct V1 Fde** $385.43

**Ggp Slide Sig P320 Fllsz V1 Blk** $395.59

**Ggp Slide Sig P320 Cmpct V1 Blk** $385.43

**Zaffiri Precision RTS Sig P320c ZPS.2 Slide RMR Cut Flat Dark Earth(FDE)** $331.10

**Zaffiri Precision RTS Sig P320c ZPS.2 Slide RMR Cut Olive Drab** $331.10

**Zaffiri Precision Zps.2 Slide P320c RMR Black** $331.10

**Zaffiri Precision RTS Sig P320c ZPS.2 Slide RMR Cut Sniper Grey** $331.10

**Standard Slide Assembly - 9mm - Black Nitron 3.9''** $237.38

**X-Series Slide Assembly - 9mm - w/ ROMEO1PRO 6MOA - Coyote 3.9''** $577.25

**PRO-CUT Slide Assembly - Black Nitron 3.9''** $358.93

**PRO-CUT Slide Assembly - Black Nitron 3.6''** $358.93

**X-Series Slide Assembly - 9mm - w/ ROMEO1PRO 6MOA - Black Nitron 3.6''** $577.25

**P226 PRO-Cut Slide Assembly - Optic Ready** $379.55

**PRO-CUT Slide Assembly - Coyote 4.7''** $358.93

**PRO-CUT Slide Assembly - Coyote 3.9''** $358.93

**PRO-CUT Slide Assembly - Coyote 3.6''** $358.93

**PRO-CUT Slide Assembly - Black Nitron 4.7''** $358.93

**XSERIES (Optic Ready) Slide Assembly** $278.08

**X-Series Slide Assembly - 9mm - w/ ROMEO1PRO 6MOA - Coyote 3.6''** $577.25

**X-Series Slide Assembly - 9mm - w/ ROMEO1PRO 6MOA - Coyote 4.7''** $577.25

**X-Series (Optic Ready) Slide Assembly - 9mm - Black Nitron 3.6''** $278.08

**Standard Slide Assembly - 9mm - Black Nitron 3.6''** $237.38

SIG P320 Slide – Optics-Ready, RMR-Cut, and Custom Slide Upgrades

Upgrade Your SIG P320 With Precision Slides Built for Performance

Looking to enhance your SIG P320 with a high-performance, custom slide? Whether you're replacing your factory upper or building a custom pistol from a serialized FCU, our selection of SIG P320 slides has what you need.

From full-size to compact builds, we carry optics-ready slides, RMR-cut models, and competition-ready options in multiple finishes and configurations. Choose from trusted manufacturers like Grey Ghost Precision (GGP), RA, and Sig Sauer OEM, and find the perfect slide for carry, competition, or tactical use.

Key Features of Our SIG P320 Slides:

✅ Available for Full-Size, Compact, XCompact, and XCarry frames
✅ Pre-cut for optics – RMR, RMRcc, DeltaPoint Pro & Holosun compatibility
✅ Precision-milled from billet or forged stainless steel
✅ Coated in rugged finishes like Black Nitride, FDE, ODG, and DLC
✅ Compatible with factory barrels, recoil assemblies, and fire control units (FCUs)

Featured SIG P320 Slides:

Grey Ghost Precision P320 Slides – RMR-Cut, Multiple Sizes & Finishes
SIG X5 Slide & Barrel Assemblies – Fiber Optic Sights, R2 Rear
RA P320 X5 Slide – RMR Cut, Black DLC Coated
Slide & Barrel Combos – Threaded & Non-Threaded Configurations

All slides are drop-in ready, making it easy to upgrade your firearm without the need for gunsmithing.

💡 Why Upgrade Your P320 Slide?

🔹 Mount a red dot directly with no adapter plates
🔹 Reduce recoil with weight-relieved slide cuts
🔹 Enhance control with precision tolerances and better finish
🔹 Customize your build’s appearance and function
🔹 Increase accuracy and shooting speed for EDC or competition

🧠 SIG P320 Slide FAQs

Q: Will these slides work with my SIG P320 FCU?
A: Yes. All slides listed are compatible with factory Sig P320 fire control units (FCUs). Just choose the correct size (Compact, Full-Size, etc.).

Q: Are these slides pre-cut for red dots?
A: Many of our slides are pre-cut for Trijicon RMR, RMRcc, Holosun 507C, or DeltaPoint Pro. Always check the product listing for optic compatibility.

Q: Do slides come with internals or barrels?
A: Some slides include complete slide kits (barrel + internals), while others are stripped. See individual product details for what's included.

Q: What finish options are available?
A: We offer slides in Black Nitride, FDE (Flat Dark Earth), OD Green, Gray, and DLC — both sleek and rugged for any build.

🔗 Related SIG P320 Build Parts

🚀 Build the P320 You’ve Always Wanted

The SIG P320 platform was made to be modular — and the slide is one of the most powerful upgrades you can make. Whether you're mounting a red dot, upgrading your carry gun, or building a custom competition pistol, we have the SIG P320 slide to complete your setup.

✅ Optics-Ready
✅ Suppressor-Compatible
✅ Premium Finishes
✅ Trusted Brands

🛒 Browse the full collection above and start building today.