The EGW Ruger M-77 Long Action scope base gives you a solid foundation for mounting optics on your Ruger M-77 rifle. This one-piece Picatinny rail is drilled and tapped to fit directly into your M-77's factory scope mount holes—no gunsmithing required. EGW machines these bases from 6061 T6 extruded aluminum, so they're rigid enough to hold zero without the weight penalty of steel. The full-width Picatinny slots meet MIL-STD 1913 specifications (±.002"), which means they'll accept any standard Picatinny or Weaver-style scope rings you already own or plan to add.
What makes this mount practical in the field is flexibility. Because the base is a continuous rail, you can slide your rings forward or backward to dial in eye relief exactly where you need it—no tools, no drama. Whether you're running a compact 2-7x or a long-range optic, the M-77 base adapts to your setup. EGW includes socket head Torx screws and the wrench you'll need to secure it; they recommend 20 inch-pounds of torque and a drop of blue Loctite on the fasteners for a permanent, reliable install.
This is the right choice if you want a no-compromise way to add a modern optic to a classic rifle without altering the gun itself. The aluminum construction keeps things light, the precision machining keeps things true, and the Picatinny standard keeps your options open.
Key Features
- One-piece Picatinny rail mounts directly into factory M-77 scope holes
- 6061 T6 extruded aluminum construction—rigid and lightweight
- MIL-STD 1913 Picatinny slots (±.002" tolerance) accept any standard rings
- Adjustable ring placement for quick eye relief changes
- Includes Torx socket head cap screws and wrench
- 0 MOA configuration
Specifications
| Brand | EGW |
| Rifle Compatibility | Ruger M-77 Long Action |
| Mount Type | One-piece Picatinny rail (drilled and tapped) |
| Rail Standard | MIL-STD 1913 Picatinny |
| Ring Compatibility | Picatinny and Weaver-style rings |
| Material | 6061 T6 extruded aluminum |
| MOA Configuration | 0 MOA |
| Recommended Torque | 20 inch-pounds |
| Fasteners | Socket head Torx screws with wrench |
Frequently Asked Questions
Will this mount fit my Ruger M-77?
Yes—this base is specifically drilled and tapped for the Ruger M-77 Long Action and uses the rifle's factory scope mount holes. No additional drilling or tapping is required.
What scope rings will work with this base?
The EGW base accepts any Picatinny or Weaver-style scope rings. Because it's a continuous rail, you can position your rings wherever you need them for proper eye relief.
How do I install this mount?
The base screws directly into your M-77's existing holes using the included Torx socket head cap screws. EGW recommends tightening them to 20 inch-pounds and applying a small amount of blue Loctite to prevent loosening.
Is this mount heavy?
No. It's machined from lightweight 6061 T6 extruded aluminum, so it adds minimal weight while maintaining the rigidity needed to hold zero.
