Free shipping over $999 · Firearms ship to your Missouri FFL dealerSt. Louis, the river counties and all of MissouriFind your city · All productsShipping & FFL
To your FFLFirearms ship to your Missouri FFL dealerFree over $999Flat $29.99 on smaller orders22 city pagesLocal rules, ranges and dealers
Home / Shop / Serialized Receivers & Frames
Sig Sauer P320 Fire Control Unit 9mm Gold Fire Control Unit

The Sig Sauer P320 Fire Control Unit is the core serialized component that powers the modular P320 system. This gold titanium nitride FCU is designed for compatibility with post-upgrade P320 accessories, letting you build a pistol around your preferred grip module, slide, and barrel configuration.

Key features

  • Titanium Nitride gold finish for improved wear characteristics
  • Skeletonized trigger design on the FCU for a refined feel
  • Compatible with P320 Post-Upgrade accessories across 9mm, .357 SIG, and .40 S&W builds
  • Modular P320 platform core component for custom pistol configurations

Build or refresh your P320 configuration with this matching fire control unit from Sig Sauer.

Sig Sauer P320 Fire Control Unit 9mm Gold Fire Control Unit: quick facts

What caliber is the Sig Sauer P320 Fire Control Unit 9mm Gold Fire Control Unit?
It is chambered in 9mm, .357 Sig, .40 S&W.
What kind of action does it use?
Double Action.
What sights and finish does it have?
finish: Gold Titanium Nitride.
Is it new or used?
New, in the original packaging.
Can I buy it in Missouri?
Yes. It ships to a licensed FFL dealer in Missouri; you pick it up there after the background check. Missouri buyers pick this up at a licensed dealer after a NICS check, with no permit to purchase and no waiting period; dealers sell rifles and shotguns from age 18.
Is it in stock?
Yes, at $419.99. Orders leave within 1-2 business days; shipping is free over $999.

Similar serialized receivers & frames in stock

Shop all →