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Old 07-17-2010, 10:52 PM
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Default How do I remove the mag safety on a 3rd gen gun?

How do I remove the mag safety from 3rd gen guns?
I know I have seen directions some place, but I can't seem to locate them now.

I seem to remember it was not to difficult but can not remember the procedure.

If you like the mag safety, good for you but keep it to yourself as I have decided all of my 3rd gens will no longer have them.
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Old 07-18-2010, 09:41 AM
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All second and third generation magazine safeties are removed the same way, by removing the rear sight and taking out the magazine safety plunger and associated parts. Reinstall the rear sight.
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Old 07-18-2010, 03:34 PM
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judge has it right, slow on slideing off the rear sight the springs likely will take a leap.
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Old 07-18-2010, 04:07 PM
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Thank you.
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Old 07-18-2010, 04:33 PM
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IIRC there are two spring loaded plungers under the rear sight and the mag disconnect is the one on the left.
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Old 07-18-2010, 05:37 PM
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Mack I see the 2 you are remembering, I am looking at a parts schematic on line, thanks for pointing out its the one on the left.
I was trying to find the parts that JudgeColt and 5906fan said. I took the slide off one of the guns and see that the plunger in the slide parts #11 and #12 push down part #10 when the magazine is removed and the magazine pushes #10 back up when it is reinserted.

Next question for any of you is can I remove the part #10 in the schematic (Ejector & Magazine Depressor) and accomplish the same thing or does that part serve another function as well? I am changing the hammers on 2 of the guns so part #10 will be easy to just not reinstall, if it does the same as removing #11 and #12 and is not needed for anything else.


Thanks for the gunsmith 101 class everybody.


Schematic for Smith & Wesson® 3913 LS/NL - World's Largest Supplier of Firearm Accessories, Gun Parts and Gunsmithing Tools

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Old 07-18-2010, 05:44 PM
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Does removal of the mag safety improve the trigger on 3rd gen SW ?
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Old 07-18-2010, 10:45 PM
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You can remove the ejector if you just want a single shot, if not it's best to leave it in. Unlike guns such as the Browning Hi-Power the S&W mag safety has no effect on trigger pull. The mag safety plunger is nylon/polymer and the firing pin safety plunger is medal and should be left in.
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Old 07-20-2010, 08:49 PM
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Thanks handgunner356.
I was just hoping to remove the safety without having to mess up the sights/have to realign them.
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3913, brownells, browning, ejector, gunsmith, hi-power, polymer

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