Just received my Dagger today at my local FFL and I switched out the standard steel to Ameriglo suppressor height sights. This is what transpired…
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Had to heat up the front and rear sights with a butane torch (with the help of my gunsmith) to boil off the tremendous amount of blue loctite. You have to get it hot enough to see the loctite dissolving and bubbling off.
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The front sight screw in the slide has issues with clearance with the front of the slide internally. I tried the TruGlo tool (too thick on the edges), the HiViz tool (thin enough to clear the slide but too short to get a good grip, and finally the Bastion Glock tool worked like a champ. (thin enough to clear the slide and grip big enough to get good torque.
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When you torch the rear sight to burn off the loctite, you have to disassemble all the slide internals so you do not melt the plastic sleeves and other parts.
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So, even after burning off the loctite and greasing up the rear sight, the standard steel sight would not budge with a hammer and brass punch. All the forum threads were just about dead on with this stubborn rear sight. So my gunsmith jumped in and used his giant MGW Pro sight mover to nervously push the rear sight out. It worked…like passing a Bill through Congress !
So what I learned from this frustrating and time consuming experience is…
If you have the tools, the time and the patience, go ahead and save some bucks doing it yourself.
(I upgraded the Dagger with a BCA threaded barrel ($64 shipped) and I already had Ameriglo suppressor sights removed from another gun)
Yes, it was tempting to spend the $50 extra to have the shorter night sights installed already but where is the fun in that?
I hope this helps because I only found one video on Youtube and that guy used an compressed Air Hammer to pound off the rear sight. (Not going to do that)