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Midwest Industries MK2 RMR Cap
$69.95 $64.95 Save $5.00
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Good but not great

by Mark C, Verified Owner from CA, United States Written on August 4, 2026
Like all Midwest Industries products that I have purchased in the past, the RMR Cap is of excellent quality. However, the height of the RMR base is quite low and is somewhat useless if the scope turrets are even medium height as the mounted RMR Red Dot is over 50% blocked. If your scope has low profile capped turrets, you might be fine, but for my setup, I ended up having to purchase on of the 10mm Reptilia ROF RMR Risers so that my mounted Red Dot was visible.

MI should either add height to the cap/base, offer different height options, or additional spacers to accommodate different turret dimensions.

So measure twice and buy once is my recommendation.
Pros:
  • Quality
  • reputable brand
Cons:
  • height
Best Used for:
  • Best for use with low profile capped turret style scopes
Would recommend: Yes
Was it helpful to you? Yes | No

Almost perfect

by YankeeBluejeans, Verified Owner from MN, United States Written on January 18, 2026
Yep, quite pricey for what it is but if you have a MK2 scope mount and want to piggyback a RMR/507C red dot, this is your only choice.
Great quality part.
It does come with removable steel bosses/studs and this I don't understand. First, they sit pretty loose in the mount and the optic. Since the optic is fixed in place by the screws, perhaps this isn't a problem but I like tight fitting parts especially ones designed to index an aiming device. This is my only concern.
Would recommend: Yes
3 of 3 found the following review helpful.
Was it helpful to you? Yes | No
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Last updated 2026-01-19 UTC.