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The Monstrum Low Profile Piggyback Red Dot Mount for Rifle Scopes is built for mounting a red dot sight as a secondary sighting system directly to your rifle scope tube. This setup allows for fast transition between your rifle scope and a 1x power red dot optic for use at closer ranges. The red dot mount is available in multiple styles:
An RMR footprint version for use with red dots with an RMR standard mounting footprint
A Picatinny version compatible with Picatinny base optics
Please refer to compatibility chart before purchasing.
Available for 30 mm and 34 mm scope tubes, installing via two set screws and included hex key.
All Monstrum mount and accessory products are backed by a lifetime guarantee
Corey Graves
Reviewed in the United States on March 12, 2025
Needed to mount a QD mount to my 50 BMG barrel so I can attach a sling, ordered the 34mm and it fit perfectly flush. The included screws were also the perfect length.I have the Noreen ULR 50 BMG pistol, and it has a 16.5 inch barrel, with no sling points and it weighs 16 pounds, so you need one. Used this on the end of the barrel, and attached a regular sling mount on the included metal stock (drilled holes) and I can finally attach a sling.This mount is well made, and is solid. I used blue loctite to ensure it wouldn’t come loose, and with its perfectly flush fit it doesn’t move at all. This would be great for what it’s intended for, a scope mount, but for my case it worked perfectly well too.
Tom
Reviewed in the United States on January 26, 2025
I like Monstrum products. I have a few of their products, mostly rifle mounts. I never had a problem with any of them. They are always modestly priced. I've got a few of those red/green dot reflex sights manufactured by some unknown companies. They look like well crafted but I am not entirely sure they how fare with regard to a rifle shot stress, at least for some modest caliber cartridges. This ring provides a very good platform to test both the accuracy of a red dot sight, its ability to keep zero, and show if it can withstand the stress. Most reflex sights come with the Picatinny adapter, or you can get an inexpensive adapter plate for any footprint here on Amazon. After you mount a dot reflex sight on this scope ring it is the time for a filed test of this sight. I will update this review on the results.If you need to test a dot sight with the RMR footprint I would recommend a product by the same manufacturer which has a detachable canted RMR platform right on the front ring.
Laura O.
Reviewed in the United States on January 11, 2025
I have a Vortex 4000 range finder and data device. I use for hunting, this allows the device to be used on several different rifles for hunting with a quick transfer from one to the other.
joe p.
Reviewed in the United States on May 22, 2024
The top picarany screws did not screw or grab into the threads on the mount messed up part of my scopes finish
Kimberly Gallegos
Reviewed in the United States on November 19, 2024
very well made and premium looks and feel. torqued down properly with no issues on the screws. cheapest 34mm ring you can find that is also quality!
Tyler Stewart
Reviewed in the United States on November 18, 2024
Fit securely, great quality and value for money. Torqued at 25 pounds with no issues. Would recommend.
Jesus
Reviewed in the United States on October 30, 2024
I purchased this originally thinking I was going to add it to my mount, but I have a Monstrum cantilever mount with the holes for a mount and I used the rail and placed it directly on the LPVO mount
James
Reviewed in the United States on October 10, 2024
The MRDS mounts on the pic rail of the scope ring ok but can only use 2 screws with my Monstrum offset 34mm scope mount. Disappointed that both being Monstrum all 4 screws DO NOT line up with the scope mount
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