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Old 03-18-2020, 07:29 AM
Cousin Vinnie Cousin Vinnie is offline
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Installing Extended HP Thumb Safety

I have been researching the replacement of the small standard thumb safety on my 1984 FN HP and have found mixed information. It appears that if I stick with a factory OEM extended or extended ambi, they mostly drop in without any fitting, but the custom ones from C&S and other aftermarket require some fitting.
I was inquiring with the forum users as to what their experiences has been? Fitting vs drop in? OEM vs Custom/Aftermarket?
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  #2  
Old 03-18-2020, 07:44 AM
ToddSig ToddSig is online now
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I have installed a C&S safety. Not difficult, just takes some light filing and patience with the filing, fitting, assembly/disassembly process.

C&S instructions (if you cant read and want a better image, DM me)



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Old 03-19-2020, 12:24 AM
BBBBill BBBBill is offline
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Quote:
Originally Posted by Cousin Vinnie View Post
I have been researching the replacement of the small standard thumb safety on my 1984 FN HP and have found mixed information. It appears that if I stick with a factory OEM extended or extended ambi, they mostly drop in without any fitting, but the custom ones from C&S and other aftermarket require some fitting.
I was inquiring with the forum users as to what their experiences has been? Fitting vs drop in? OEM vs Custom/Aftermarket?
Too many variables in manufacturing tolerances. Never ever expect a drop in safety to fit and function properly. If it does go buy a lottery ticket.

ToddSig's instructions are all you need to fit either a factory or aftermarket safety.

If you intend to get a trigger job done using either the factory sear/hammer or aftermarket parts the get it done first as fit of the safety WILL change from the alteration of those parts. Fitting the thumb safety should always come after replacement of or work on the sear/hammer.
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  #4  
Old 03-19-2020, 04:56 AM
Ibmikey Ibmikey is offline
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I have replaced safeties from about every era of production and all have been drop in without need for additional fitting. I have used a variety of sources when buying the safety including BH SS and Numrich.
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  #5  
Old 03-23-2020, 08:26 PM
Cousin Vinnie Cousin Vinnie is offline
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I am please to report that my ambi, extended thumb safety installed without a hitch. Maybe 15 or 20 minutes. No fitting at all.
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