Sig Sauer 365 Fire Control Unit 9mm Luger Flat Blade Black
$349.99
The Sig Sauer P365 Fire Control Unit (FCU) in 9mm Luger offers unparalleled customizability for a micro-compact carry platform, allowing users to tailor their pistol to specific preferences with various grip modules, magazines, and accessories. This versatile FCU is designed to enhance personal carry needs while maintaining the reliability and performance expected from Sig Sauer firearms.
Out of stock
The P365 Custom Works Fire Control Unit (FCU) brings an unprecedented level of customizability and personalization to the micro-compact carry platform. From grip modules magazines custom slides barrels optics and accessories you can configure your P365 in thousands of different ways to personally customize your pistol to your specific carry needs.
- Exclusive Titanium Nitride Frame
- Titanium Nitride Trigger
- Custom FCU Serial Number
- Compatible with all 9mm P365 accessories
| Weight | 0.500 lbs |
|---|---|
| Dimensions | 7.000 × 4.750 × 2.000 in |
| Manufacturer | Sig Sauer |
| Caliber | 9mm Luger |
| Finish | Titanium Nitride |
PROCESSING & SHIPPING
Orders typically ship within 1–3 business days (Monday–Friday) after payment and all required documentation are received. Time to arrival after shipment depends on the carrier. Shipping method is at BT Gun Company’s discretion; ammunition and oversized accessories are charged at actual shipping cost. We do not ship to Hawaii or Alaska.
FIREARM TRANSFERS
- Firearms must ship to a licensed FFL dealer of your choosing — confirm with them first that they can accept the transfer.
- Your receiving FFL will need to email their license to [email protected] before we can ship.
- Inspect your firearm at your FFL’s location before signing ATF Form 4473 — once signed, the firearm is considered accepted.
You’re responsible for knowing the firearms laws in your state before ordering. For complete shipping, returns, and restocking-fee policy details, see our Shipping & Returns page.

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