Monstrum Red Dot Screw Kit | Includes M3, M4, #4-40, #6-32, #6-40, and #6-48 Screw Types | for Compatibility Across red dot Makes and Pistol mounting Platforms

I've been playing a guessing game w/ screws since I got my firearm optic cut.. Finally a package w/ what I needed! Great quality also! If you have a K-Cut from Glockstore, this is what you want...

Finding the correct optic mounting screws for any given application can be a challenge. This compounds itself if you swap optics between various manufacturers makes and models. This kit, so far, has covered everything I need for mountings on Sig, Glock, CZ, HK and various custom slide manufactures. Pays for itself in time saved hunting around. A+

I received a SIG Romeo that didn’t come with the screws, and didn’t feel like paying 10$ for 2 screws, so sprung for this kit instead. Comes with a ton of different screw sizes that will fit most red dot sights, but you may want to look up the manufacturer specs of what size and thread you need for your particular optic. All screws are neatly labeled in their own pouches, and of good quality. The ones I needed were an exact match for my optic and they are holding strong. Also a plus that they come with pre applied thread locker. They also include an extra screw of each type in case you end up losing once which is nice!

Every combination you could want all labeled!

Pluses : price and completeness. Minuses: Screws themselves are the same screws provided with Holosun optics. They almost look like they are metal injection molded instead of cut from rod stock. Would absolutely trust on regular mounting, but might look at sideways if it’s on a pistol slide. If the slide had great recoil abatement, and the fit fit tightly, I’d probably still rock it on a pistol slide. If it’s just the screws securing it that would be a no.