Thread: S&W Model 659
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Old October 15, 2012, 06:28 PM   #10
balance
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Join Date: December 13, 2010
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I was wondering if something like this could be done to the 659, where the front sight is dovetailed to accept others:

http://www.chuckhawks.com/s-w_4006.htm
Theoretically yes, but it might be more trouble than it's worth.

The gun in the picture is a Model 4006, which, like other standard-production 3rd-gen TDA pistols, has a dovetailed interchangeable front sight. However, if you look close, you'll notice that the dovetail is actually elevated above the slide on this gun. This was done on 3rd-gen adjustable-sight pistols to compensate for the taller height of the adjustable sight compared to the standard fixed rear sight.

You could probably get the slide dovetailed to accept an extra-tall front sight from another pistol, but you may have to play around with different heights to adjust the pistol's POI where you want it.
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I was wondering if deactivating the mag safety would positively effect the trigger, or negatively effect function of the pistol.
Unlike the mag disconnect of a BHP, AFAIK the mag disconnect on a S&W TDA has no direct effect on the trigger pull. It works by pushing the trigger drawbar downwards, thereby disconnecting it from the sear.

The mag disconnect can be removed by drifting out the rear sight assembly and removing the disconnect plunger and spring. More here:

http://smith-wessonforum.com/smith-w...d-gen-gun.html

If you field-strip the pistol and inspect the bottom of the slide, you'll see two plungers about an inch aft of the breech face. The metal one is the firing pin block (see my prior post). The plastic one is the mag disconnect.

That said, I wouldn't bother with it, but mag disconnects don't really bother me.
Interesting.

I think it's better for me to just shoot it as-is for now.
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