UM Tactical Delrin Shim 1.0 Degree for Vortex Venom, Burris Fastfire & Docter Optic Sights

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Ratings Snapshot

4.7

out of 5

5 (17)

4 (2)

3 (0)

2 (0)

1 (1)

Would recommend this product.

95%

SKU: 182-UMT-SHIM
UPC: 753677799974
Manufacturer: UM Tactical
MFG#: UM SHIM

I recently replied to the survey, which ended up on the review page that my order had disappeared and I had no updates as to its whereabouts. I tried to "edit" the review page but I cant, so this one is to correct that comment. The parcel showed up yesterday with no notification and I was surprised but very happy. The product installed easily and with very helpful instructions as to the shims orientation depending on the issues one might be having with point of aim and point of impact aligning.

Just in case my first email gets missed, my parcel has dropped off the radar and has not been updated since Nov 6

I bought this shim to mount my Vortex Venom red dot to my EGW mount so I could mount my red dot optic to my Sig P227. Before I got the shim, I ran out of up adjustment as it was maxed out and still shooting way low of POA. This shim solved the problem and now my shots are dead on at 25 yards. I have read where some holes on the shims did not line up when others went to install their shims. My holes lined up perfectly. Installation took less than 3 minutes. Very pleased with my purchase and product.

Used these shims for mounting a Vortex Venom cover plate on a Glock 17 slide.

On my Vortex Venom I ran out of adjustment and the optic specialist recommends that I get one of these delrin shims. It works excellently.

I have an S&W M&P 15 with a Burris AR-332 Prism Sight and Burris Fastfire 3. When I installed the Fastfire, I noticed that the red dot was adjusted to its maximum position (about 3" too high for my set up). This UM Tactical Delrin Shim 1.5 Degree corrected that problem and took only a minute to install. Just remove the Fastfire install the shim between the mount and Fastfire add some blue loc-tight, and you are done. I was also able to utilize the original screws.

This shim worked out excellent for a sig p226 mk25. I mounted a vortex venom with the Burris fast fire Mount kit. This shim prevented the sight from “bottoming out” when it came to adjustment.

Straightened out the lack of enough elevation on a Burris Speed Bead dot scope on a Beretta Extrema.

Could not get enough elevation adjustment with recently installed sight on Springfield Range Officer , after a Google search for shims I came across a couple of recommendations for the Delrin shim. It couldn’t be easier to install and was perfect in giving me adjustment in impact elevation. Thanks for a great product

Could not get enough elevation adjustment with recently installed sight on Springfield Range Officer , after a Google search for shims I came across a couple of recommendations for the Delrin shim. It couldn’t be easier to install and was perfect in giving me adjustment in impact elevation. Thanks for a great product

I mounted a Burris FF3 with the Picatinny mount on a Ruger 10/22 carbine. With the sight adjusted fully 'up,' my point of impact was still about 3" low (at only 15yds.). I ordered this shim, and it was just what I needed! After installing the shim, my POI was high, and the FF3 adjusted down to a comfortable 'zero' quickly!! It's good to go now, thanks! I want to suggest that you offer a pair of longer screws with your shim. The original screws only caught a little over one turn of threads!! Fortunately, I had on hand some 6-48 x 5/16" screws that worked very well, giving almost four full turns of thread. On a heavy recoil gun or slide mount, they would be essential!! I expect others have had the same experience. If this shim came with a pair of longer screws, I would give it five stars!! Thanks for an excellent product and good communication,

Good service to Australia. Quite pleased with product as it fitted exactly.