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P320 Manual Safety Assembly
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The Rogue Banshee
Published 4 months ago |
Our P320 Manual Safety FCU assembly video shows you how I assemble the manual safety FCU. Although there are some slight differences between the standard and the manual safety versions of the P320 FCU, most of the concepts are the same between the two. For instance, the safety lever pin on the standard FCU is replaced with the Left Side Manual Safety and is installed from the left side instead of the pin being installed from the right side.

This video features the JSD Supply MUP-1 80% FCU that has been modified by AB Prototype for the Manual Safety. AB Prototype can also modify your existing P320 FCU for the Manual safety if you want.

Don’t forget to check our channel for the standard P320 FCU Disassembly and Reassembly videos. We also have videos on how to disassemble and reassemble the P320 Slide!

Visit our channel for more content on Sig Sauer and remember to subscribe and ring the bell while you are there.

For the tools that we used on the Sig P320 videos visit and visit our troubleshooting guides at while you are at our page.

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Video Index:

Installing the sear housing - 0:37
Pre-installing the takedown safety - 2:02
Installing the sear springs - 3:14
Installing the safety lever and sear - 3:42
Installing the right-side safety - 5:24
Installing the trigger bar and trigger - 7:31
Installing the slide stop - 10:02
Additional content/bloopers - 12:11

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