Factory replacement P365X slide for all 9mm P365 models and configurations.*
This complete slide assembly includes all internal slide parts and front and rear XRAY3 Day/Night sights. Micro optic–ready with top-mounted removable sight plate. The optic cut footprint accommodates our ROMEOZERO/ROMEOZERO ELITE as well as others such as RMSc and 507K.
Barrels and recoil spring assemblies are sold separately. Fits in standard P365/P365X holsters.
Color: Black
Compatible with all P365 9mm models and configurations with the following accompanying items: 3.1″ non-ported barrel, and a P365X recoil spring assembly.
Sig P365X 3.1″ RMSc Slide Xray Irons 8900983 Specifications
| SKU | 8900983 |
|---|---|
| Model | P365, P365X, P365-XL |
| Caliber | 9mm Luger |
| Color | Black |
| Application | Self-Defense, Target Shooting, Concealed Carry, Everyday Carry (EDC), Competition Shooting, Law Enforcement / Military, Tactical, Range |
| Loaded Chamber Indicator | Yes |
| Barrel Included | No |
| Recoil Assembly Included | No |
| Barrel Length | 3.1 in [78.74 mm] |
| Sights | XRAY3 Day/Night Sights |
| Optic Ready | Yes |
| RX Footprint | COMPACT (Shield RMS-c) |
| Electro-Optic Installed | No |
| Pistol Size | Micro-Compact |
| Slide Finish | Nitron® |
| Slide Material | Stainless Steel |
| Integrated Compensator | No |
The Sig P365X 3.1″ RMSc Slide Xray Irons 8900983 is a factory-engineered slide assembly designed to enhance the performance, accuracy, and versatility of SIG Sauer P365X pistols. Built to SIG Sauer’s exacting standards, this complete slide delivers optic-ready capability, premium night sights, and rugged reliability in a compact, concealed-carry-friendly configuration.
Precision-machined for the 3.1-inch barrel length, this slide is optimized for the P365X platform, maintaining the pistol’s compact profile while delivering excellent balance and shootability. The slide is cut for the RMSc optic footprint, allowing direct mounting of popular micro red dot optics without the need for adapter plates. This low-profile mounting solution ensures a secure fit and maintains a natural sight picture for faster target acquisition.
Equipped with SIG Sauer XRay3 day/night iron sights, the Sig P365X 3.1″ RMSc Slide provides excellent visibility in all lighting conditions. The bright front sight paired with tritium inserts allows for fast alignment during daylight shooting and dependable performance in low-light or nighttime environments. These suppressor-height irons are designed to co-witness with compatible micro red dot optics, giving shooters a reliable backup aiming solution.
Constructed from high-quality stainless steel, the slide features SIG Sauer’s durable finish for superior resistance to wear, corrosion, and daily carry use. Precision front and rear slide serrations provide enhanced grip and control during press checks, racking, and slide manipulation under stress. Every detail is engineered to withstand repeated recoil cycles while maintaining consistent performance and long-term durability.
The Sig P365X 3.1″ RMSc Slide Xray Irons 8900983 is an ideal upgrade for shooters looking to modernize their carry pistol or replace a worn slide with a genuine factory component. Whether used for concealed carry, defensive use, or range training, this slide offers dependable performance, optic-ready versatility, and trusted SIG Sauer craftsmanship.
Designed to integrate seamlessly with P365X frames and internal components, this factory slide ensures proper fitment, reliable cycling, and confident operation. For shooters seeking a compact, optic-ready slide with premium iron sights and factory-level quality, the Sig P365X 3.1″ RMSc Slide Xray Irons 8900983 delivers exceptional value and performance in a proven everyday carry platform.
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