Description
The In Stock: M18X is a precision-engineered, aftermarket slide assembly designed for the SIG Sauer P320 platform. Manufactured with a focus on enhanced performance, it features a robust 416 stainless steel construction with a durable Nitride finish for superior corrosion resistance. Its optics-ready design includes common mounting footprints, and the aggressive front and rear serrations provide a positive grip for reliable manipulation under all conditions.
Key Features
- Machined from solid 416 stainless steel for maximum durability and weight reduction.
- Proprietary Nitride finish provides a hard, low-glack, and highly corrosion-resistant surface.
- Optics-ready cut compatible with popular red dot footprints (RMR, DPP, others).
- Aggressive front, top, and rear serrations for positive grip during slide manipulation.
- Designed for direct compatibility with SIG P320 FCUs and standard P320 barrels & recoil assemblies.
Specifications
| Caliber / Type | 9mm / Pistol Slide Assembly |
|---|---|
| Material | 416 Stainless Steel |
| Finish | Nitride (PVD) |
| Compatibility | SIG Sauer P320 Platform (M17/M18 Spec) |
| Weight | Approx. 10.8 oz (slide only) |
The M18X’s 416 stainless steel construction offers an optimal strength-to-weight ratio, reducing reciprocating mass for potentially softer felt recoil. The Nitride finish exceeds 70 HRC on the Rockwell scale, providing exceptional wear resistance essential for high-round-count use. This slide is engineered for the 9mm cartridge, maintaining reliable function with both standard and +P ammunition when paired with a correctly weighted recoil spring.




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