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Questions & Answers
Does this fit their Gen 2 cantilever 30mm scope mount?

This will fix both their Gen 2 and Gen 1 mounts.

by GeneralKenobiWins, Verified Owner, September 26, 2025
Customer Reviews
Helpful Positive Review
Almost perfect by YankeeBluejeans, Verified Owner, 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 pr...
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4/4 found this helpful
Most Recent Reviews
Good but not great by Mark C, Verified Owner, 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 ...
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Product Info for Midwest Industries MK2 RMR Cap

Make sure your red dot sight is correctly installed with the Midwest Industries MK2 RMR Cap. Engineered utilizing some of the highest quality supplies obtainable, these Red Dot Sight Mounts from the industry experts at Midwest Industries give you numerous years of reliable and useful support. Midwest Industries has been helping to make high quality Red Dot Sight Mounts for a number of years, and the Midwest Industries MK2 RMR Cap is the consequence of their tireless endeavors and commitment, to making sure that you're shooting with some of the most useful possible red dot mounts. If your quest for a good red dot mounting technique has you looking for further selections, then you'll certainly be pleased to discover, the Midwest Industries MK2 RMR Cap.

Specifications for Midwest Industries MK2 RMR Cap:

Manufacturer: Midwest Industries
Color: Black
Finish: Anodized
Fabric/Material: 6061 Aluminum
Red Dot Sights-Footprint: RMR
Condition: New

Package Contents:

  • Midwest Industries MK2 RMR Cap

Midwest Industries MK2 RMR Cap Orderable Models

List of Orderable Models

  • Midwest Industries MK2 RMR Cap, 30mm, Black, MI-MK2-30RMR , MPN: MI-MK2-30RMR , UPC: 812102036050 , Code: MWI-RMT-JHNBG16-MI-MK2-30RMR
  • Midwest Industries MK2 RMR Cap, 34mm, Black, MI-MK2-34RMR , MPN: MI-MK2-34RMR , UPC: 812102036081 , Code: MWI-RMT-JHNBG16-MI-MK2-34RMR

Midwest Industries MK2 RMR Cap Unavailable & Discontinued Models

List of Unorderable Models

  • USED, Midwest Industries MK2 RMR Cap, 30mm, Black, MI-MK2-30RMR , MPN: MI-MK2-30RMR-EDEMO , Code: MWI-RMT-JHNBG16-MI-MK2-30RMR-EDEMO-OB-C
  • USED, Midwest Industries MK2 RMR Cap, 30mm, Black, MI-MK2-30RMR , MPN: MI-MK2-30RMR-EDEMO , Code: MWI-RMT-JHNBG16-MI-MK2-30RMR-EDEMO-OB-B
  • USED, Midwest Industries MK2 RMR Cap, 30mm, Black, MI-MK2-30RMR , MPN: MI-MK2-30RMR-EDEMO , Code: MWI-RMT-JHNBG16-MI-MK2-30RMR-EDEMO-RE-A
  • USED, Midwest Industries MK2 RMR Cap, 34mm, Black, MI-MK2-34RMR , MPN: MI-MK2-34RMR-EDEMO , Code: MWI-RMT-JHNBG16-MI-MK2-34RMR-EDEMO-RE-A
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Last updated 2026-09-16 UTC.