DPP TitaniumMount/Adapter Plate Compatible with Smith & Wesson MP 2.0 Optics Ready/CORE Holosun 407C/507C/508T Trijicon RMR/SRO

I purchased this optic plate to mount my Holosun 407C X2 on to my Smith & Wesson M&P 9 Metal Optics Ready 4.25 inch. I know there is a lot of discussion about the polymer adapter plates provided by SW. I ran this gun with the polymer shims and had no issues with the plates at all. My optic mounts directly to the slide and the polymer plates act more as a shim than an adapter plate.While I had no issues with the SW plates, I was not a big fan of the look. The plastic corners stick out quite a bit as compared to the aluminum options. I originally looked at C&H plates but $50 felt steep at the time. Especially after some of the add on options they provide at check out (extra screws, paint markers, T10 torx bits, etc)..you get closer to $80-$100 at check out.I decided to do a little research and found out about the DPP plates. For the price, I figured I would give them a chance and opted for the aluminum version. The plate came with a plastic case which included screws which were marked for either Holosun or Trijicon, a wrench tool, and a Trijicon sealing plate. I was very happy with the packaging and the quality of the materials. I mounted my red dot and had no issues with the fit or the installation.About a month later, I purchased the C&H plate mainly out of curiosity. I wanted to see if there was a noticeable difference between the two.This is what I found....Both the DPP and C&H are made from quality aluminum.The DPP screws felt a little thick when screwing them in. It could have been too much loctite or could have been my pistol. But I did not have any issues with the thickness or length of the C&H screws.The DPP has more of a matte finish while the C&H has more of a shine to it. Holding the two side by side, the DPP has a better fit and finish. It just seems like a higher quality plate.The tolerances on the DPP are much tighter. When installing the Holosun onto the DPP by itself (not on the gun) there is little to no movement. When I install the Holosun onto the C&H by itself (not on the gun) there is much more noticeable front to back and side to side play.When I install the DPP onto the gun (no Holosun), there is almost no play or movement. When I install the C&H onto the gun by itself there is noticeable movement in all directions.The same goes for mounting the Holosun with each plate, there is little to no movement when mounting the DPP (no screws) and there is noticeable back and forward movement (no screws) with the C&H.It seems the two holes on the C&H are a tad too big causing all the movement. I also noticed the two "nubs" on the DPP are a tad longer and thicker which takes out some of the unnecessary movement.Something else I noticed was the DPP plate has a small indent or cutout for what appears to be a roll pin on the SW gun. The C&H does not have that cutout. Not sure how or if it will affect performance but just something I noticed.Obviously once you screw in each combination it appears to feel secure. I am new to pistol optics but from what I can tell is the DPP is the better of the two at this time. I am currently running the DPP with C&H screws.This review might be over kill for an adapter plate but I am very impressed with this option and I would recommend you try it out for yourself.-Gio

Installed a 508T on my M&P 2.0 optic ready. Definitely use the screws that come with the plate and NOT the ones that come with the Holosun. The ones that come with the Holosun are too short. The plate sits tightly, yet completely flat with not even a hint of light between the slide and optic plate. Torqued both screws to 15 inch pounds. Absolute perfect fit.

I had ordered a much more expensive plate just prior to this and the fit was horrible. After not being able to speak directly with that company and jumping through email hell hoops, I grew frustrated and ordered this plate. I'm so glad I did. Not only was it less expensive, the fit was perfect. It also came with a weather seal plate for an alternative optic (Trijicon RMR) that I thought I wouldn't use but turns out, I ordered one today. That part's a long story, but suffice it to say I extremely happy with this company and what you get for your money. Well done!

I had plastic before and it moved in my holster. I purchased this product and no movement whatsoever. Sight stays perfect!!

Fits great and came with rmr sealing plate.Screws seem to be correct size

The RMR plate should have 2 screw holes and 2 dimples. The plate does not have 2 dimples. Typical red dots have extra holes for the dimples to help secure the sight. I will not even attemp to use

Exactly what you're looking for to replace m2.0 oem plate.

Ned this plate to mount a re dot onto my M&P9. Works great