Ruger M77 MkII - Long Action

$161.00 - $234.00
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!!! Hole spacing updated to match factory drilled holes on 2020 and newer actions. This base requires older receivers to be drilled and tapped for mounting !!!

CNC machined stainless steel or titanium Picatinny spec. scope base.
Proudly made in the USA.


Ruger M77 MkII long action rifles.


Weight:Stainless: --oz, Titanium: --oz. Length: 6.090" Front Height: .325" Rear Height: .450"

Hole Spacing:

1st to 2nd: 0.400" 1st to 3rd: 4.715" 1st to 4th: 5.503"

** Each base ships with #8-40 alloy steel Torx screws, and a T15 Torx wrench.

2 Reviews Write a Review Hide Reviews Show Reviews

  • 5
    Great product.

    Posted by Josh on 13th Jan 2023

    Well made product, worthy of the name Precision. After having a scope rail come loose that was held down by 8-40 screws, loctite and JB weld (done by a gusmith) I have taken to these and having them spot tig welded. Doesn't cause any issues with the heat treatment because the heat is over a very small area. Makes the action more rigid and it ain't going anywhere. Cameron makes a great product.

  • 5
    Great product

    Posted by Josh on 1st Dec 2022

    I have purchased numerous rails from Murphy Precision. All of them fit well and are high quality