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Glock Slide Milling for Other Red Dots w/ Trijicon RMR Footprint

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Lead time is one (1) week after slide is received for orders require shipping.


Milling service for mounting other red dots in Trijicon RMR sight to the slide, such as Swampfox Liberty.

I machine to the nominal RMR dimension, then enlarge the front/back wall 0.0005" at a time until your specific red dot just fit in, then enlarge by 0.0005"-0.001" to for Cerakote clearance. This means you are required to ship the red dot you plan to use along with sending in the slide.

You may send in the complete or stripped slide. Rear sight, if present, will be removed if you choose "remove rear sight" option and return to you with the slide.

Upon ordering, instruction will be provided for you to mail in the slide. Customer is responsible for shipping the slide in.

Price includes return shipping after milling.


Design considerations / Why I do differently than others

Available on double/wide double stacked Glock models, except MOS models, G17L, G41, G44.

Not available for single stack models such as G21, G43, G43X, G48.


Design considerations / Why I do differently than others

  • There are no "post" for the screw holes protruding from the surface.
    • While it can increase thread engadgement length, it's achieved at the cost of a smaller diameter screw. It is my opinion that there are enough thread engadgement as-is without the post, and the trade off isn't worth it.
    • The "post" also cannot be used to locate the sight on X/Y plane, as the sight would be overconstrained.
    • The mounting screws are therefore used to constrain the sight only on the Z direction (keep the red dot down on the slide).
  • The front locating pins are diamond-shaped, this is also to not overstrain the sight. The inner, two opposing face of the posts are used to constrain the sight on Y direction (along the bore).
  • The front and back walls are used to constrain the sight on the X direction.
  • Read more here: