Sig Sauer

Sig Sauer P320 FCU Parts Kit

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SKU 320-PK-1
Standard or Manual:*
Please select the add-on.
Takedown Lever:*
Please select the add-on.
Slide Catch:*
Please select the add-on.
Trigger Options:

We have reconfigured this parts kit to make it as modular as possible. 

The primary product 320-PK-1 is the essential parts you need for your Fire Control Unit (FCU); you can then on add your desired Takedown Lever, Slide Catch, and Trigger(optional). The trigger is the only optional part of this package you can leave out as all the parts are needed to complete a Fire Control Unit (FCU)

Here is a step-by-step guide

  1. Select an option under Standard or Manual.
    • Non-Manual kits are for FCUs that do not have the cut-out for the manual safety
    • Manual Safety Parts Kits are for FCUs that have the cut-out for the manual safety selector.
    • Both kits can be bought with the upgraded Apex Trigger Bar.
  2. Select a Takedown Lever
  3. Select a Slide Catch
  4. Select a Trigger; the trigger is optional. 


The core kit is made up of the following parts.

  • Sear Housing Assembly (8900033)
    • Disconnector
    • Safety Lever
    • Sear
    • Sear Housing
    • Sear Pin
    • Sear Springs (x2)
    • Take Down Safety Lever Spring
  • Sear Housing Pin / Safety Lever Housing Pin (1301341-R)
  • Slide Catch Lever Spring (1300246-R)
  • Slide Catch Lever Pin (1300429-R)
  • Slide Catch Lever Spring Post (1300876-R)
  • Take Down Safety Lever (1302166-R)
  • Take Down Lever O-Ring (38000144-R)
  • Trigger Bar Spring (1300430-00-R)
  • Trigger Stop Pin (1300827-R)

Standard or Manual Options

Takedown Lever Options

Slide Catch Options

Trigger Options

No Specs Available.

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