Sharps Bros. P365x Enhanced Slide with RMSc Cut - Stainless Steel Black Finish

The Sharps Bros. P365x Enhanced Slide with RMSc Cut is a precision aftermarket upgrade for shooters looking to get more out of their SIG Sauer P365 platform. Built from 416 stainless steel and finished in black nitride, this stripped slide splits the difference between the compact P365X and the larger XL/X-Macro models — measuring 6.08 inches long with an integrated compensator design that's roughly half an inch longer than factory P365/P365X slides. If you've been torn between the snappy handling of the standard platform and the sight radius or shootability of a larger gun, this is the practical middle ground.

The slide is engineered to work with factory P365X barrel lengths (3.1") and accepts either standard P365 or P365X recoil springs, so integration into your existing platform is straightforward. The RMSc cut means you can mount modern optics — it's compatible with the Shield RMSc, SIG Romeo Zero, and Holosun HS407K or HS507K red dots — giving you a significant tactical advantage without forcing a complete platform rebuild. Ergonomic serrations front and rear make slide manipulation positive and repeatable, whether you're working the action at the range or in dry fire drills at home.

Since this is a stripped slide, you'll need to source your own sights and internal components, but that flexibility is a feature for builders who already have preferred parts on hand or a clear vision of their finished gun. Sharps Bros. includes an optic cover plate so you can keep your dot protected when the gun is holstered or carried without a mounted sight. For P365X owners who want better ergonomics, optical real estate, and compensator benefits without sacrificing concealability, this is a thoughtful upgrade path.

Key Features

• Integrated compensator design — approximately 0.5" longer than OEM P365/P365X, roughly 0.15" shorter than XL/X-Macro
• RMSc optic cut compatible with Shield RMSc, SIG Romeo Zero, and Holosun HS407K/HS507K red dots
• 416 stainless steel construction, heat treated and finished in black nitride for durability
• Works with factory 3.1" P365X barrels and standard P365/P365X recoil springs
• Ergonomic serrations for positive press checks and slide racking
• Stripped design — sights and internals sold separately
• Optic cover plate included

Specifications

Frequently Asked Questions

Will this Sharps Bros. P365X slide work with my P365 or P365X frame and parts?

Yes. The slide is designed for the P365/P365X platform and works with P365X barrel lengths (3.1") and either P365 or P365X recoil springs. Since it's stripped, compatibility with your frame is straightforward — confirm your recoil spring model when assembling.

What optics can I mount on the RMSc cut?

The RMSc cut accepts the Shield RMSc, SIG Romeo Zero, and Holosun HS407K or HS507K red dots. If you're planning to run a different optic, verify its footprint against the RMSc standard before purchase.

Is this slide ready to shoot, or do I need to install parts?

This is a stripped slide — it comes without sights or internal components. You'll need to source and install your own rear sight, front sight (if desired), and any other internals. The optic cover plate is included.

How does the length compare to the standard P365X?

The Sharps Bros. slide measures 6.08 inches long, making it approximately 0.5 inches longer than the OEM P365/P365X slide and roughly 0.15 inches shorter than P365XL or X-Macro slides — a middle ground in terms of sight radius and shootability while maintaining better concealability than larger variants.