Description
If you're mounting glass on a Howa 1500 short action and plan to stretch its legs at longer ranges, this MDT Picatinny base is a smart foundation. It's a one-piece rail CNC machined from 6061-T6 aircraft-grade aluminum, then hard anodized for a tough, good-looking finish that holds up to real use in the field. The underside is profiled to sit flush against the receiver and match the geometry of the ejection port, so you get a clean, gapless fit instead of a rail that looks like it's floating.
What the 30 MOA Cant Does for Your Howa 1500
The 30 MOA built-in incline is the big selling point here. That forward taper gives your scope a head start on elevation, which means you keep more of your turret's internal travel for dialing distance. For 6.5 Creedmoor, 308, and similar short-action chamberings pushing out past where most hunting setups run out of adjustment, that extra elevation is the difference between dialing a confident come-up and running out of knob.
Fit, Hardware, and Compatibility Notes
This base is cut specifically for the Howa 1500 short action footprint, and since Weatherby Vanguard rifles share the Howa 1500 receiver, Vanguard short actions use the same base. It ships with mounting screws so you can get it bolted down without a trip to the hardware store, and the rail is built to MIL-STD-1913 and STANAG 4694 spec, so it'll accept any standard Picatinny rings you throw at it. An integrated recoil lug adds a mechanical anchor against heavy recoil, keeping your zero honest over long strings.
The top edges are contoured for snag-free handling, which you'll appreciate pulling the rifle out of a case or slinging it over your shoulder. It's a no-drama upgrade that quietly makes everything downstream, from ring choice to long-range dialing, work better.
Key Specifications
- Manufacturer: MDT
- Manufacturer Part Number: 106589-BLK
- UPC: 682157406845
- Model Fit: Howa 1500 Short Action
- Action Type: Bolt Action
- Elevation Cant: 30 MOA
- Mount Type: One-Piece Picatinny Rail
- Rail Spec: MIL-STD-1913 & STANAG 4694
- Material: 6061-T6 Aluminum
- Finish: Hard Anodized Black
- Color: Black
- Recoil Lug: Integrated
- Number of Bases: 1
What’s Included
- MDT 30 MOA Picatinny scope base (one-piece rail)
- Mounting hardware/screws
Frequently Asked Questions
Will this MDT base fit a Weatherby Vanguard?
Yes, as long as it's a short action Vanguard. Weatherby Vanguard rifles are built on the Howa 1500 receiver, so this short-action base shares the same mounting footprint and bolts right up. Just confirm your Vanguard is a short action and not a long action or Mark V before ordering.
What does the 30 MOA cant actually do for my setup?
The 30 MOA incline tilts the rail forward, giving your scope built-in elevation before you even touch the turret. That preserves more of your scope's internal adjustment for dialing longer distances, which is a real advantage on a long-range hunting or precision rig. If you mostly shoot inside a few hundred yards, a 20 MOA base is plenty, but the 30 MOA gives you more headroom to reach out.
What size rings do I need for this rail?
Any standard Picatinny rings will work since this base is machined to MIL-STD-1913 and STANAG 4694 spec. Pick your ring height based on your scope's objective diameter and how low you want to sit the optic. Measure your objective bell and choose low, medium, or high rings accordingly.
Does the scope base come with the screws to mount it?
Yes, it ships with the mounting hardware needed to attach it to your Howa 1500 short action receiver. You'll want a proper Torx bit and ideally a torque wrench to snug everything down to spec. A little blue thread locker on the base screws is cheap insurance against anything backing out under recoil.





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