P320 Pro-Cut Sub-Compact 9mm Slide

$369.00

 

Factory replacement PRO-CUT Slide Assembly for the P320 Sub-Compact/XCOMPACT size pistols.

SIG SAUER P320 PRO-CUT SUB-COMPACT 9MM 3.6″ SLIDE ASSEMBLY, OPTIC READY, COYOTE BROWN. World-renowned and the choice for many of the premier global military, law enforcement, and commercial users.

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SKU: 8900951 Categories: , Product ID: 6904

Description

P320 PRO-CUT SUB-COMPACT 9MM 3.6″ SLIDE  ASSEMBLY, OPTIC READY, COYOTE BROWN

Features Of the Sig P320 Slides:

  • Optic ready. Compatibility: ROMEO1-PRO, ROMEO2, PRO, and RMR (requires sealing plate) footprint.
  • XRAY3 Day/Night Suppressor height sights
  • Durable PVD finish
  • Stylized relief cuts
  • Removable optics plate with top accessible screws

For use with the standard 9MM, 3.6″ non-threaded, or 4.3″ threaded barrels.

Does not void your firearm warranty.

*Please Note*
This slide is for 9mm barrels only and is not compatible with .40, .357, or .45. This product is the SLIDE ONLY (barrel and recoil assembly are not included)

Specifications OF the P320 Sub-Compact slide

SKU 8900951
Model P320
Caliber 9mm Luger
Color Coyote Brown
Weight 10.7 oz [303 g]
Application Self-Defense, Target Shooting, Concealed Carry, Everyday Carry (EDC), Competition Shooting, Law Enforcement / Military, Tactical, Range
Loaded Chamber Indicator No
Barrel Included No
Recoil Assembly Included No
Barrel Length 3.6 in [91.44 mm]
Sights XRAY3 Day/Night Suppressor Height Sights
Optic Ready
RX Footprint PRO
Electro-Optic Installed No
Pistol Size Sub-Compact
Slide Finish PVD
Slide Material Stainless Steel
Integrated Compensator No

sig p320 slide

P320 PRO-CUT SUB-COMPACT 9MM 3.6″ Slide Assembly – Optic Ready | Precision for Your SIG Sauer P320

Upgrade your SIG Sauer P320 with the P320 PRO-CUT Sub-Compact 9mm 3.6″ Slide Assembly, engineered for shooters who demand compact performance without compromising on precision, modularity, or optic compatibility. Whether you’re building a custom carry pistol or enhancing your existing SIG P320 platform, this factory slide delivers elite-level performance in a sub-compact footprint.

🔧 Key Features:

  • Factory SIG Sauer Quality – Manufactured by SIG Sauer to exacting standards for flawless fit and function on P320 compact and sub-compact grip modules.
  • Optic Ready – Milled for direct mounting of popular red dot sights (e.g., Romeo1PRO, DeltaPoint Pro), giving you faster target acquisition and enhanced accuracy.
  • PRO-CUT Slide Design – Aggressive lightening cuts reduce weight and improve cycling speed while giving your handgun a distinctive, tactical aesthetic.
  • 3.6″ Barrel Compatibility – Designed for use with 9mm barrels in the sub-compact length, ideal for concealed carry or EDC pistols.
  • Front & Rear Serrations – Enhanced slide manipulation under stress or with gloved hands.
  • Black Nitron Finish – Durable, corrosion-resistant coating for long-lasting performance in any environment.

⚙️ Compatibility:

  • Fits SIG P320 Compact and Sub-Compact grip modules (9mm only)
  • Compatible with SIG P320 FCU (Fire Control Unit)
  • Accepts standard P320 9mm recoil assemblies and barrels (sold separately)

🔍 Why Choose This P320 compact slide Slide?

This isn’t just a replacement slide—it’s a performance upgrade. The P320 PRO-CUT Slide transforms your pistol into a modular, optics-ready powerhouse. Whether you’re a competitive shooter, law enforcement professional, or civilian defender, this slide assembly gives your firearm the edge in speed, accuracy, and reliability.

📦 What’s Included:

  • Complete slide assembly (stripped or with internal components, depending on variant)
  • Optic-ready PRO-CUT slide
  • Factory-installed sights (if applicable)

Note: Barrel and recoil spring assembly not included.

Pro Tip for Buyers:

Pair this slide with a SIG Sauer XSeries grip module and a 3.6″ match-grade barrel for a truly custom sub-compact build. Add a micro red-dot optic, and you’ve got a concealed-carry setup that punches above its weight.

📊 Comparison Chart: P320 PRO-CUT Sub Compact vs Other SIG P320 Slide Options

Feature PRO-CUT Sub-Compact 3.6″ Slide P320 Compact 3.9″ Slide P320 Full-Size 4.7″ Slide P320 XCarry 3.9″ Slide
Barrel Length Compatibility 3.6″ 3.9″ 4.7″ 3.9″
Optic Ready  Yes No (some variants)  Yes Yes
PRO-CUT Lightening Cuts  Yes  No  Yes (on select models)  Yes
Slide Length Sub-Compact Compact Full-Size Compact
Ideal Use Case Concealed Carry / EDC Versatile / Duty Duty / Range Tactical / Carry
Weight Reduction Features Yes (lightning cuts) No Optional Yes
Compatibility P320 Sub-Compact & Compact FCU P320 Compact FCU P320 Full-Size FCU P320 Compact FCU
Factory SIG Sauer Build  Yes  Yes  Yes  Yes

 

Sources: SIG Sauer product specs, user reviews, and OEM documentation.

FAQs: P320 PRO-CUT Sub-Compact 9MM Slide Assembly

🔫 What is the P320 PRO-CUT Sub-Compact Slide Assembly?

It’s a factory SIG Sauer slide designed for the P320 platform, featuring a 3.6″ barrel compatibility, optic-ready cut, and aggressive PRO-CUT styling for reduced weight and enhanced performance.

🧩 Is this slide compatible with my SIG P320?

Yes, it fits SIG P320 Compact and Sub-Compact grip modules and FCUs chambered in 9mm. It’s not compatible with .40 S&W or .357 SIG variants.

🎯 Can I mount a red dot optic on this slide?

Absolutely. It’s milled for direct mounting of optics like the Romeo1PRO, Leupold DeltaPoint Pro, and other compatible micro red dots.

🛠️ Does this slide come with a barrel and recoil spring?

No. The slide assembly does not include a barrel or recoil spring. These must be purchased separately.

🔍 What makes the PRO-CUT design special?

The PRO-CUT slide features precision-machined lightening cuts that reduce weight, improve cycling speed, and give your firearm a tactical, custom look.

🧼 What finish does the slide have?

It comes with SIG Sauer’s durable Nitron finish—corrosion-resistant and built for rugged use.

🧠 Is this slide good for concealed carry?

Yes. Its sub-compact length and optic-ready design make it ideal for EDC setups that balance concealability with performance.

What are common SIG P320 compact slide problems?

The problems: The Trigger is too mushy, and the rear sights have been smacking Marines in the face. They have a rear sight that’s attached to the pistol with a screw! Which comes loose because of recoil. Armorers have been using blue, grey, and yellow Lock-Tite to secure the screw holding the rear sight notch!

What makes the SIG P320 slide unique?

The P320 was designed to be ambidextrous in handling, sporting a catch lever on both sides of the slide and a user-reversible magazine release, and all other operating controls are designed to be operated from either side.

Pros and Cons of the P320 PRO-CUT Sub-Compact Slide

 Pros:

  • Factory SIG Sauer quality and reliability
  • Optic-ready for red dot sights
  • Lightweight PRO-CUT design improves handling
  • Ideal for concealed carry and EDC builds
  • Compatible with the modular P320 platform
  • Aggressive styling for tactical appeal

 Cons:

  • Barrel and recoil spring not included
  • Limited to 9mm only (not multi-caliber)
  • May require optic plate or adapter, depending on optic
  • Slightly pricier than standard slide options

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