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Getting a scope mounted right on a Weatherby Mark V starts with a base that fits the action like it was meant to be there. The Peak 44 Picatinny Rail, better known as the JRail, is machined from aerospace-grade aluminum and cut specifically for the Mark V standard 6-lug action. It gives you a one-piece Picatinny/Weaver platform that keeps your optic aligned and repeatable, shot after shot, without the guesswork of mismatched two-piece bases.
The standout feature here is the rear cutout. That notch at the back opens up clearance so you can run low rings, slide the scope into the right spot for proper eye relief, and still clear a large objective bell or a chunky magnification ring. If you've ever fought with a scope that wouldn't sit far enough back on a standard base, you'll appreciate what this design solves. It's a small change that makes real-world scope setup a whole lot easier.
This rail comes with a built-in 20 MOA cant, which tilts your optic forward to give you extra elevation travel. For anyone stretching a Weatherby out past the point-blank zone, that added adjustment range means you keep more of your scope's internal elevation in reserve for the long shots. It's the kind of feature that used to be reserved for custom builds and now comes standard on this base.
Installation is straightforward. The JRail secures with #6-48 screws torqued to 20 in/lbs, and Weatherby includes a T10 Torx bit in the package so you're not hunting for the right driver. Rings are not included, so pick up a set of Picatinny or Weaver-style rings sized to your scope tube and the height you need. Once it's on, you've got a stable, no-nonsense foundation for whatever optic your Mark V is wearing.
This J010002 rail is built specifically for the Weatherby Mark V standard 6-lug action. It will not fit the Mark V magnum 9-lug, the Vanguard, or the Model 307, since those use different footprints and screw patterns. Peak 44 makes separate versions for those actions, so double-check your action before ordering.
No, rings are not included with this rail. You'll need a set of Picatinny or Weaver-style rings sized to your scope tube diameter and the height that clears your objective bell. Pick your ring height based on how low you want the scope to sit over the rail.
The 20 MOA built-in slope tilts your optic slightly forward, which shifts your scope's elevation range to favor longer distances. That leaves more internal adjustment available when you're dialing for shots well past your zero. If most of your shooting is inside a couple hundred yards it isn't strictly necessary, but it doesn't hurt and it opens the door for reaching out.
The rail mounts with the included #6-48 screws torqued to 20 in/lbs, and Weatherby packs in a T10 Torx bit to get you started. A little thread locker on the screws is a good idea to keep everything holding zero under recoil. Snug the screws down evenly and check your torque with a proper wrench for the best repeatability.
| UPC | 747115451968 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | J010002 |
| Model | |
| Mount Type | Picatinny Rail/Weaver |
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