Weatherby MDX01N378WR8B Mark V Deluxe Full Size 378 Wthby Mag 2+1 26″ High Gloss Fluted Threaded Barrel, High Gloss Blued Steel Drilled & Tapped Receiver, Gloss Walnut Monte Carlo Stock, Right Hand

The Weatherby MDX01N378WR8B Mark V Deluxe Full Size 378 Wthby Mag 2+1 26″ High Gloss Fluted Threaded Barrel, High Gloss Blued Steel Drilled & Tapped Receiver, Gloss Walnut Monte Carlo Stock, Right Hand is a direct-line continuation of the classic Weatherby Deluxe tradition—AA-grade gloss walnut, high-luster blued steel, and the legendary 378 Weatherby Magnum chambering. This is not a retro reissue; it is the same spec Weatherby has built for decades, updated with a factory-threaded, fluted barrel and a 2″ muzzle brake that brings overall barrel length to 28″. For hunters and precision shooters who demand both old-world fit and modern muzzle-device compatibility, this rifle delivers sub-MOA accuracy out of the box, per Weatherby’s published guarantees.

Key Features

• Factory-Threaded & Fluted 26″ Barrel + 2″ Muzzle Brake — The 26″ barrel is fluted to reduce weight and dissipate heat faster, then factory-threaded to accept the included 2″ muzzle brake (overall 28″). Why it matters: you can attach a suppressor or brake without a gunsmith, and the fluting keeps the rifle balanced even with the added muzzle weight.
• High Gloss Blued Steel Drilled & Tapped Receiver — Classic Weatherby blueing is applied to a drilled-and-tapped receiver that accepts standard Weaver-style bases. Why it matters: you can mount your preferred optic without modifying the receiver, and the blued finish resists rust when properly maintained.
• AA-Grade Gloss Walnut Monte Carlo Stock with Rosewood Forend & Grip Cap — The stock is hand-selected AA walnut with a high-gloss finish, diamond-point checkering, rosewood forend tip and grip cap, and maple spacers. Why it matters: this is a production-grade stock that rivals semi-custom wood—it provides a stable, non-slip grip and the classic Monte Carlo comb aligns your eye with the scope naturally.
• Pachmayr Decelerator Recoil Pad — Factory-installed Decelerator pad softens the heavy 378 Wthby Mag recoil. Why it matters: you can shoot more rounds at the range without developing a flinch, and the pad’s design prevents slipping on wet or cold shoulders.
• Mark V 9-Lug Bolt Action — Weatherby’s signature 54° bolt lift, 9-lug locking system. Why it matters: the short bolt lift allows faster follow-up shots, and the 9 lugs distribute bolt thrust evenly for consistent headspace and accuracy.

Who It’s For

This rifle is built for the hunter who still believes a magnum rifle should look as good as it shoots. If you’re chasing elk, moose, or brown bear with a 378 Wthby Mag and you refuse to carry a synthetic-stocked, matte-finished rifle, the Deluxe is your rig. It also appeals to collectors who want a factory-new example of Weatherby’s classic Deluxe line, updated with modern threading for suppressors or brakes.

Pros & Cons

• Pro: Factory-threaded and fluted barrel saves you a trip to the smith—mount a brake or suppressor immediately.
• Pro: AA walnut stock with rosewood accents is visually stunning and functional; the diamond-point checkering provides a positive grip even in rain.
• Pro: Mark V action is one of the strongest and smoothest production actions ever made—the 9-lug design is overbuilt for the 378 Wthby Mag.
• Con: The high-gloss blued finish requires more maintenance than stainless or Cerakote; it will show scratches and rust if neglected in wet conditions.

Comparison: Weatherby Mark V Deluxe vs. Competitors

FAQ

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Last updated: April 2026