Description
The P365 NITRON Direct is a factory-original, serialized FCU (Fire Control Unit) from SIG Sauer. This core component allows you to build a custom P365 pistol from the ground up. It features a stainless steel chassis with SIG’s durable Nitron finish, providing a corrosion-resistant foundation. This FCU is the heart of the modular P365 platform, designed for direct compatibility with a wide range of aftermarket grips, slides, and barrels to create your ideal carry configuration.
Key Features
- Factory serialized SIG Sauer FCU with official manufacturer stamping
- Stainless steel construction with wear-resistant Nitron coating
- Direct drop-in compatibility with P365 series grips and slides
- Includes all internal fire control components and a manual safety slot
- Provides a legal, modular foundation for a custom micro-compact build
Specifications
| Caliber / Type | 9mm Fire Control Unit (FCU) |
|---|---|
| Material | Stainless Steel |
| Finish | Nitron |
| Compatibility | SIG Sauer P365 Series |
| Weight | N/A (Component) |
This FCU is the serialized, regulated part of the firearm, containing the trigger, sear, and striker control mechanisms. Its stainless steel build ensures longevity, while the Nitron finish resists moisture and wear. Designed for the 9mm Luger cartridge, it operates within the P365’s proven short-recoil, locked-breech system. This component is intended for experienced builders familiar with local firearm assembly laws.




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