On Our Mark: Episode 96 - Mark V Deep Dive: The Strongest Action in the World

For 66 years the Mark V® has held the crown for being the strongest action in the world. Compared to standard 2-lug actions on the market today, the Mark V is available in a 6-lug and 9-lug design. Additionally, it has a 54 degree bolt through which is the lowest in the industry. But what else separates the Mark V action from others on the market? Tune in as we have Jared and John talk about why the Mark V is right for you.
In this episode we discuss:
- Designed in 1955, launched in 1958
- The revolutionary design
- What went into the design?
- The name behind Mark V®
- Machining then vs now
- What’s different about the Mark V
- Why would you upgrade to the Mark V?
- 9 lug vs 6 lug vs varmintmaster
- Dream rifles of the group
- Building customs for VIPs back in the day
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[@tomschumacher5434]

I knew I made a good choose when I got mine but dang this just reinforces it. The custom rifle feel for that price is the best deal no questions asked.

[@philipsteele5704]

Yes, in the Weatherby book it says it was named Mark V because it was the fifth variation of the design.

[@BollingMachineTool]

550 Magnum is a straight walled 460 WBY. 700 grain projo at 2400 fps.
Fits perfect in the Mark V action.

[@lsmullin62]

Absolutely love this action

[@briansupermag3918]

Can you do a talk on the 338-378 weatherby please

[@JeffHenry-uo1nz]

Some rifle designs are made for manufacturing, my Weatherby Mark V Deluxe was made for me.

[@davidwills8803]

I would love to see photos posted on the custom rifle you built for the RMEF this year you know the one with the signature's

[@dawsondethlefs5266]

I have had a few vanguards. Love them. Best bang for your buck around. I picked up a used mark 5 rifle and man… it’s hard to use any other bolt anymore. That 257 mark 5 is just something out of a dream. Weatherby till I die

[@MattParker-p2b]

I'm a huge clone nerd. I love the idea of being able to listen to this rather than read the forums

[@edbredemeyer2833]

It's a 500 A square, but great podcast.

[@jrhunt414]

So when are we getting 375 RPM and 375 Wby back now that light copper bullets are good. Speed kills but so does diameter.

[@demonkinglamb636]

Okuma machines! I can operate those. Hiring any Machinists?

[@travischapin886]

How is this action stronger than the Ruger M-77 / any Mauser / type of action?

[@thevoyageur2152]

I) In 9 lug it’s larger than a standard Mauser action.
Ii) with the 9 lug action it has more surface contact than a standard Mauser to handle more psi.