P365 Manual Safety Conversion

AB Prototype

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Manual Safety Conversion for a SIG P365 Pistol

This is a Service to convert an existing SIG P365 to manual safety. This includes SIG Sauer OEM manual safety parts and grip cut, as required. We can cut factory grip modules only (no aluminum grip modules). P365 FCU does not require machining, parts are drop-in.

Perfect for your EDC P365 or P365SAS (since MS SAS grips are non-existent)!

We install the OEM SIG P365 manual safety lever assembly into your FCU and precision machine your existing grip to allow the manual safety lever to fit. Each frame is tested for fit and function.

Grip is cut as required. No additional holes are cut or drilled!

Includes: Install factory SIG P365 manual safety lever assembly, CNC machine your grip module for the Manual Safety Lever. (No ALUMINUM grips at this time). Function test. If necessary, please add a P365 frame to your order. Lead time can be up to 2 weeks, but is often less.

We will reply to your order confirmation with shipping instructions. We are a licensed firearms manufacturer and can receive and return firearms directly to customers' residence address only. All completed frames must have a serial number and must be accompanied by a copy of valid state-issued driver's license or ID card (no PO Boxes for return address). Conversion works with aftermarket triggers. 

Shipping charges cover return shipping only, signature is required upon return. When shipping please do not include cases, manuals, slides, optics, etc. unless specifically necessary for other services.

FCU Parts, Barrel, Slide, Grip, Magazines, etc. are obviously NOT INCLUDED.

PLEASE NOTE: AB Prototype modifications to your frame are not authorized by SIG Sauer or JSD Supply. Any modifications to these frames will most likely void any existing manufacturer warranty. AB Prototype does not provide any additional warranty, neither expressed nor implied. We only guarantee fit and function of the manual safety lever on completed frames.

3 Reviews Hide Reviews Show Reviews

  • 5
    Sig 365 manual safety conversion

    Posted by Larry Bartlett on May 18th 2023

    The limited edition 365 I bought my wife did not have a manual safety, a must for her. Local gunsmith’s said they had not done the conversion, but said they could. I did not want her 365 Rose “Roses and Gold possibly butchered. I found this company on a web search and very happy I did. Their work was excellent. Great service at an affordable price!

  • 5
    Outstanding servive

    Posted by Scott on Aug 7th 2022

    I am a Sig fan, but the lack of trigger or grip safeties on their striker guns was concerning. This conversion is perfect in appearance and function. I will be converting my P320s as well

  • 5
    Adding a manual safety to my Sig

    Posted by Keith Messinger on Dec 13th 2021

    Great communication and work. Quick turn around,