Description
The factory trigger on a Mark V does its job, but it's the first thing serious shooters swap out when they want to wring every bit of accuracy from that famous nine-lug and six-lug action. This TriggerTech Primary is a drop-in curved single-stage trigger built specifically for the Weatherby Mark V, and it turns a good rifle into one that breaks cleanly and predictably every time you press.
What Makes the Primary Trigger Break So Clean
The heart of it is TriggerTech's Frictionless Release Technology, which uses a free-floating roller between the sear engagement surfaces instead of two parts sliding against each other. The payoff is a genuine zero-creep break with very short over-travel, and because there's no reliance on polishing, coating, or lubricating the key surfaces, the pull stays consistent shot after shot, even after thousands of rounds. That matters just as much in a snowstorm at first light as it does off the bench.
Dialing In Your Mark V Trigger Pull
Pull weight adjusts from 1.5 to 4 pounds using CLKR Technology, and you set it in one-ounce increments through an externally accessible set screw. No pulling the barreled action out of the stock to fine-tune it, which is a nice touch when you're chasing that perfect break weight. Keep in mind that firing pin spring weight can nudge the actual pull, so give yourself a little room when you're first setting it.
Built to Take a Beating
The body is 6061-T6 aluminum paired with hardened 440C stainless steel internals and finished in black PVD, so corrosion resistance and service life are both handled. TriggerTech also engineered a bolt release transfer bar into the design, since the Mark V routes its bolt release through the trigger lever itself. These triggers fit current USA Mark V models from 1996 on, so it's worth checking your serial number prefix before you order if you're running an older or import-era rifle.
Key Specifications
- Manufacturer: TriggerTech
- Model: Primary
- Manufacturer Part Number: WM5SBB14NBW
- UPC: 885768001977
- Fitment: Weatherby Mark V (current USA models, 1996 and newer)
- Trigger Type: Single-stage, drop-in
- Lever Style: Curved
- Pull Weight Range: 1.5 to 4 lb
- Adjustment: External set screw, 1 oz increments (CLKR Technology)
- Release Technology: Frictionless Release / Zero Creep
- Body Material: 6061-T6 Aluminum
- Internal Components: 440C Stainless Steel
- Finish: Black PVD
- Style: Adjustable
What’s Included
- TriggerTech Primary single-stage curved trigger for Weatherby Mark V
Frequently Asked Questions
Will this TriggerTech Primary trigger fit my Weatherby Mark V?
It's designed for current USA Mark V models from 1996 forward, covering both six-lug standard and nine-lug magnum actions. Because Weatherby produced import and older variants over the years, the smart move is to check your serial number prefix against TriggerTech's compatibility list before ordering. If you're running a modern USA-built Mark V, you're almost certainly good to go.
Is the TriggerTech Weatherby Mark V trigger hard to install?
Not at all. It's a true drop-in unit, so most folks can have it swapped in with basic tools and a little patience. Owners consistently report quick, easy installs with no gunsmithing required, and the difference over the factory trigger is noticeable right away.
How do I adjust the pull weight on the Primary trigger?
The pull weight adjusts from 1.5 to 4 pounds in one-ounce increments using an externally accessible set screw, so you don't have to pull the action out of the stock to fine-tune it. Just make small changes and test as you go. Keep in mind your firing pin spring weight can slightly influence the actual measured pull.
What is Frictionless Release Technology and why does it matter?
It replaces the traditional sliding sear surfaces with a free-floating roller, which gives you a clean zero-creep break with minimal over-travel. Since the design doesn't depend on polishing, coating, or lubrication to feel good, the trigger stays consistent through thousands of rounds and holds up in harsh, dirty, or freezing conditions. That reliability is a big reason hunters and precision shooters trust it in the field.





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