Description
The M18 – Best Price is a high-performance slide assembly designed for the SIG Sauer P320 platform. Manufactured by SIG Sauer, this complete upper features a stainless steel slide with a Nitron finish for durability and corrosion resistance. It is a direct replacement for factory M18 slides, offering the classic M18 configuration with an integrated rear sight plate and optics-ready cut for the ROMEO1PRO footprint.
Key Features
- Complete slide assembly for SIG P320 platform
- Stainless steel construction with Nitron finish
- Optics-ready cut for SIG ROMEO1PRO footprint
- Includes integrated rear sight plate
- Factory M18 configuration and specifications
Specifications
| Caliber / Type | 9mm |
|---|---|
| Material | Stainless Steel |
| Finish | Nitron |
| Compatibility | SIG Sauer P320 (M18 configuration) |
| Weight | N/A |
This M18 slide assembly is engineered to SIG Sauer’s military-spec standards for the U.S. Armed Forces’ M18 variant. The stainless steel core provides strength for the 9mm cartridge, while the Nitron finish reduces glare and enhances wear resistance. The integrated rear sight plate maintains a low-profile co-witness capability when an optic is mounted, making it a reliable upgrade or replacement for duty or competition use.




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