UM3 Universal Sight Mount

If you are having difficulty with sight picture alignment because of "old" eyes, like I was, I looked for a solution and stumbled across the UM tactical sight mount for red dot sights. I read all the reviews, and finally pulled the trigger (pun intended) and purchased the UM tactical sight mount, Burris fast fire III red dot sight and UM tactical UMH3CR universal holster for my 4" XD45. The mount goes on easily and in seconds. It is a great fit and is a quality build. The Burris fast fire III is really, really small, but fits the XD45 size perfectly, and the UMH3CR universal holster is a great fit for the UM mount. It is a great hip holster and is not as cumbersome as it "looks" like it would be.I could not have made a better choice and am very pleased with this 3 item addition to my XD45. I highly recommend these 3 items to any of the many handguns, and their owners, that they will fit.My only snivel (there is always 1 right?) is that Burris's red dot will, at times, go off, then within 2-3 seconds come back on after taking the shot. I don't know if this is natural (for $214) it shouldn't be, but all I had to do was (if it was a hurry next shot) use the iron sights that 1 time and for the next trigger squeeze the dot would be back on. Being retired Army Infantry from many years ago, I am kinda used to items that don't always work as they should and have "quirks" that must be dealt with.All in all, I am happy for the purchase and overall "ease of firing" that I now have with my XD45.

So, I am a competitive shooter. I'm not sponsored, but I do pretty well at the amateur level in 3-gun and Steel Challenge. I win my class in most of the local matches that I frequent, and they are usually more precision oriented. I am not really a fan of optics on pistols, and I shoot in the most restrictive classes where I have to use iron sights on my pistol anyway. However, I have been itching to see what kind of accuracy my pistols are capable of without having to go all-in on a ransom rest. This mount seemed like a good choice since I could use a pistol scope or red dot from a bag rest to get a good idea of what the pistols can do.Today was my first time using the mount. I tried it on a Gen3 Glock 17L, a Gen3 Glock 17, a Polmer80 PF940 frame, an M&P45 Full Size, a CZ P-09 9mm, a CZ SP-01 9mm, a S&W MP22 Compact, a Beretta M9A1-22. The mount slid on snugly on all the pistols, and when my red dot (Bushnell TRS25) was tightened onto the rail, the connection was solid.Since you can still easily use the iron sights while the rail is mounted, setting the dot to the same point as the irons was easy and got me on paper for the first shot with each pistol. When I began testing different ammunition from each gun I found some issues that potential buyers should be aware of. I can usually shoot 2-2.5" 5-shot groups from a rest with each of these pistols using the iron sights and ammo that they like. My polymer-framed guns were doing around 3" on average with some uncalled fliers. Clearly, when the polymer rail on the frame flexes under recoil it does not reset to the same spot each time.On a metal-framed pistol this mount really shows what a pistol is capable of. On the SP-01 I fired five 5-shot groups with 5 differenmt types of ammo. With irons I normally get my same 2-2.5" groups at 25 yards. With poor lighting and a red dot on the UM3 my best group was 5/8" using Browning Performance Target 147 grain. 4 out of 5 shots were touching, and the 5th just left a tiny bit of paper between the rest of the group. 3 of the other ammunitions grouped around an inch, and the final ammunition was about 1.5". I honestly had no idea that this bone stock pistol could shoot so well. I went to the 50 yards line and was able to stand and shoot steel PPC 10-ring sized plates over and over again without a miss. I cannot do that consistently with irons even on a good day.Unfortunately, this mount will not be capable of showing me what my polymer-framed guns are capable of, which is disappointing. I think potential buyers should be aware of this issue on polymer pistols. While it is not really a shortcoming of the product itself, and really that of the rail on a polymer gun, it is still an issue of compatability.Now, if you have a polymer pistol, and 3" or a little worse groups at 25 yards are acceptable for your application, by all means go for this mount. The added weight of the mount and a red dot made recoil even more controllable, and I was able to run a Glock plate rack a little faster than I usually can with irons.All-in-all I think this is a good product, but it doesn't fully fill the role that I hoped it would.

This UM TActical UM 3 went great with my M&P 9mm VTAC since that model pistol does not come with a slide rail mount like the S&W Pro M&P 9mm does. Even if I would have the option to mount a scope to the slide rail. This would not give me the option to have my regular iron sites at will with the red dot scope mounted on the slide rail. Now the UM tactical is awesome. If my red dot scope all of the sudden just clunks out in the heat things that UM Tactical is raised up just high enough leaving a clear path to line up your already mounted sites. Plus I like the idea of my red dot scope mounted to the UM Tactical better than it mounted to a slide rail and the red dot scope going through the motions of bouncing back and forth from the recoil. With the UM Tactical your scope stays in one solid position and a clear space between the top of semi auto pistol rail and under UM Tactical so you drop automatically below Your UM Tactical and use your sites. If you have trijicon night site like me even a better advantage to have with the UM Tactical UM 3. Hope this was helpful to new gun owners or experienced. 1776.

I don't write many reviews but this thing sucks. If you want a mount that moves and wiggles every way you try, this is for you. It is split down the middle of the picatinny. Why? Your optic mount has to hold it together and if you're using something small like a fast fire, it isn't big enough to hold it all together. These people on here giving it 4 and 5 stars must not like hitting their targets.

Rated lower than 5 because it isn't as versatile as stated. I assumed it would clear the rear sight when trying to remove the slide. It doesn't. The design just needed a bit more of a window to let the sight slide through and you could then easily remove the slide.I purchased it to put a red dot on my xd and that functions well. The other reason I purchased it was to be able to switch my slide from 40 to 9mm while leaving the sight attached to the pistol. Not possible as the rear sight will not clear the device for removal.The part isn't as solid as they make you feel it is in their marketing material. It flexes side for side which might not be an issue if it always flexes back to the original position.I'll see what happens at the range and add to the review.