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Rossi R92 RMR Mount 3D Printer File Image 1
Rossi R92 RMR Mount 3D Printer File Image 2
Rossi R92 RMR Mount 3D Printer File Thumbnail 1
Rossi R92 RMR Mount 3D Printer File Thumbnail 2

Rossi R92 RMR Mount

Redsalamander avatarRedsalamander

October 12, 2025

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Description

This is the model I cut on my Hobby CNC based on the 2 previous remixes.
I used Fusion 360 to draw and the built in CAM to make this.

Now, does it work? YES.

It handles the recoil of my 44 Mag just fine. I again used the drill rod to locate the sight I drilled 0.1mm undersized holes and then push fit the correct size rod in. ( and by push I mean I hammered it in) I tapped the mount holes into the aluminum I taped the biggest I could fit through the sight ( M4 If I recall )

The 6/32 screws that mount it on top is a real Pain. As per before I trimmed them till they held tight fitted them one at a time to make sure they grabbed they are different lengths and then thread lock to keep them in.

NOW a caveat: I used a cheap dot to test as I wanted to make sure it worked, the older printed was a good proof of concept. This one holds very well. however the cheap dot doesn't do that well with 44 Mag recoil ( yea no kidding ) so the dot doesn't hold zero anymore but the mounting is rock solid after around 100+ full power loads.
Ill replace the dot and keep testing.

I may redo this as a pic rail mount to allow quicker swap outs.

License:

Creative Commons - Attribution - Non-Commercial - Share Alike

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