What caliber is the Sig Sauer P365 Custom Works Fire Control Unit 9mm/.380 ACP?

It is chambered in 9mm, .380 ACP.

New, in the original packaging.

Can I buy it in Delaware?

Yes. It ships to a licensed FFL dealer in Delaware; you pick it up there after the background check. Delaware buyers need a handgun qualified purchaser permit or a current Delaware carry license before a dealer can transfer this pistol.

Yes, at $419.99. Orders leave within 1-2 business days; shipping is free over $999.

Sig Sauer P365 Custom Works Fire Control Unit 9mm/.380 ACP Titanium Nitride Frame

Name: Sig Sauer P365 Custom Works Fire Control Unit 9mm/.380 ACP Titanium Nitride Frame
Brand: Sig Sauer
SKU: 8900165
Price: 419.99 USD
Availability: InStock

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The Sig Sauer P365 Custom Works Fire Control Unit is the serialized foundation for assembling a compatible P365-series pistol. This unit is chambered for configurations in 9mm and .380 ACP and features a flat trigger and Titanium Nitride finish. It is designed to be installed with compatible P365 components, including a grip module, slide, barrel, and magazine. The fire control unit is sold as a component and does not include the complete pistol assembly, sights, barrel, slide, grip module, or magazine.

Key features

Serialized P365-series fire control unit for custom pistol assembly
Compatible with 9mm and .380 ACP P365 configurations
Flat trigger provides a consistent, straight-faced trigger surface
Titanium Nitride finish adds a durable surface treatment
Designed for use with compatible P365 grip modules and upper assemblies
Component-only configuration does not include sights, barrel, slide, grip module, or magazine

Build a compatible P365 configuration around the Sig Sauer Custom Works Fire Control Unit with the components and caliber setup that fit your needs.

Sig Sauer P365 Custom Works Fire Control Unit 9mm/.380 ACP: quick facts

What caliber is the Sig Sauer P365 Custom Works Fire Control Unit 9mm/.380 ACP?: It is chambered in 9mm, .380 ACP.
How big and heavy is it?: Weight 1.3 ounces.
What kind of action does it use?: Semi-Automatic.
What sights and finish does it have?: finish: Titanium Nitride.
Is it new or used?: New, in the original packaging.
Can I buy it in Delaware?: Yes. It ships to a licensed FFL dealer in Delaware; you pick it up there after the background check. Delaware buyers need a handgun qualified purchaser permit or a current Delaware carry license before a dealer can transfer this pistol.
Is it in stock?: Yes, at $419.99. Orders leave within 1-2 business days; shipping is free over $999.