The Ruger M77 1in Medium Scope Rings, Blued (Ruger part no. 90410) mount directly to the M77’s integral receiver dovetails, so there’s no separate base to buy or install. This medium-height set includes one 4B ring and one 5B ring, matched for a correct front-to-rear fit, and it accepts scopes with a 1 inch tube and objective lenses up to 42mm in diameter. The blued finish matches most factory M77 finishes for a clean, factory-correct look.
Key Specifications
- Fits Ruger M77 rifles using the receiver’s integral Ruger-style mounting system — no separate base required.
- Medium ring height balances eye relief and objective bell clearance.
- 1 inch tube diameter fits scopes with a standard 1 inch main tube.
- Accepts objective lenses up to 42mm in diameter.
- Set includes one 4B ring and one 5B ring, matched for correct front-to-rear fit.
- Blued finish matches most factory Ruger M77 finishes.
Frequently Asked Questions
Do I need a separate base for these rings? No, Ruger M77 rifles have an integral mounting system built into the receiver, so no separate base is needed.
What size objective lens will these rings clear? Up to 42mm.
What’s included in the set? One 4B ring and one 5B ring, matched for correct front-to-rear fit.
Buy the Ruger M77 1in Medium Scope Rings, Blued
Mount your scope directly to your M77’s integral rail with these Ruger rings. Order through Ruger’s lineup in our scope accessories & parts selection, shipped fast from our Lubbock, Texas gun shop.
