Weatherby MBT20N300WR8B Mark V Backcountry 2.0 Ti 300 Wthby Mag 3+1 26″ Barrel, Graphite Black Cerakote Metal Finish, Black with Gray/White Sponge Accents Peak 44 Blacktooth Stock

The Weatherby MBT20N300WR8B Mark V Backcountry 2.0 Ti 300 Wthby Mag 3+1 26″ Barrel, Graphite Black Cerakote Metal Finish, Black with Gray/White Sponge Accents Peak 44 Blacktooth Stock is a purpose-built mountain rifle that shaves every possible ounce without sacrificing the terminal authority of the .300 Weatherby Magnum. This is the rifle you pack into the backcountry when weight matters as much as precision.

Key Features

• Peak 44 Blacktooth Carbon Fiber Stock – Sub-20-ounce stock reduces carry weight by nearly a full pound over traditional synthetic stocks. The carbon-fiber layup absorbs vibration and maintains rigidity even in sub-zero temps.
• 3DHEX Recoil Pad – Interlocking hexagonal voids progressively collapse under recoil, spreading the impulse over a longer duration. This deadens the sharp kick of the .300 Wby Mag without adding length or weight.
• Accubrake ST Muzzle Brake – Weatherby’s own radial brake cuts felt recoil by up to 53% (per Weatherby specs), letting you spot your own hits on steel at distance without re-acquiring the target.
• Fluted Stainless Steel Barrel – The 26″ fluted barrel sheds heat faster and reduces weight while maintaining the stiffness needed for consistent sub-MOA groups. The fluting also adds surface area for cooling during string fire.
• Graphite Black Cerakote Finish – Corrosion-resistant coating that holds up to rain, sweat, and salt spray. The matte finish eliminates glare that could spook game or give away your position.

Who It’s For

This rifle is for the hunter who hikes miles into alpine basins and expects a first-round cold-bore hit on a buck at 400 yards. It’s for the precision shooter who wants a lightweight platform that still prints tight groups with factory or handloads. If you’re still packing a steel-action rifle with a synthetic stock that weighs 7+ pounds, this is the upgrade you’ve been waiting for.

Pros & Cons

• Pro: Sub-5.5 lb weight makes it one of the lightest production magnum rifles available. You’ll notice the difference on the climb.
• Pro: 3DHEX recoil pad genuinely tames the .300 Wby Mag—expect felt recoil closer to a .308 Win.
• Pro: Accubrake ST is effective without being deafening; it’s still loud, but less so than aggressive radial brakes.
• Con: The carbon fiber stock has a slim forend that can feel narrow if you’re used to a wide chassis. It’s fine for hunting, but not ideal for benchrest-style shooting with heavy bags.

Comparison

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See more in our Bolt Action Rifles collection, or check out Hunting Rifles and Carbon Fiber Stocks.

Last updated: April 2026