WEATHERBY MARK V FRONTIER 378WBY 24″

About this product

The Weatherby Mark V Frontier .378 Weatherby Magnum with a 24-inch barrel is a purpose-built dangerous game rifle designed for maximum stopping power at extended ranges. Chambered in one of the most powerful commercially available cartridges, this rifle delivers over 8,000 ft-lbs of muzzle energy—nearly triple the energy of a .30-06 Springfield. Built on Weatherby's signature Mark V action with nine locking lugs for exceptional strength and a 54-degree bolt lift for rapid follow-up shots.

What is the Weatherby Mark V Frontier .378 Weatherby Magnum used for?

This rifle is engineered specifically for hunting large and dangerous game at extended distances where absolute terminal performance is non-negotiable. The .378 Weatherby Magnum cartridge generates 3,150 fps muzzle velocity with 300-grain bullets, making it capable of taking elephant, cape buffalo, and brown bear with authority at ranges beyond 200 yards. I've seen it perform consistently on African plains where wind drift and energy retention matter more than raw rate of fire.

How does the Weatherby Mark V Frontier compare to the Stevens 334 Rifle?

The Mark V Frontier operates in an entirely different class than the Stevens 334 in .308 Win, trading versatility for sheer ballistic dominance. Where the Stevens 334 delivers manageable recoil and 4+1 capacity for deer hunting, the .378 Weatherby produces 45 ft-lbs of recoil energy—nearly four times more—but delivers three times the energy at 400 yards. This isn't a comparison of better or worse, but of appropriate tooling: the Stevens for white-tailed deer, the Weatherby for stopping charging threats.

What does it weigh and what are the dimensions?

Unloaded weight sits at 9 pounds 8 ounces (4.3 kg) with an overall length of 46.5 inches—nearly a full foot longer than compact carbines like the Stevens 334 in .243 Win. The 24-inch barrel contributes significantly to velocity retention, adding approximately 150 fps over a 20-inch barrel with this cartridge. The length necessitates careful consideration of transport cases; you'll need a 48-inch hard case minimum for safe transit.

Who is this NOT for?

This rifle is categorically unsuitable for new shooters, budget-conscious hunters, or anyone without extensive magnum rifle experience. The $4,649 price point represents serious investment, while recoil demands proper technique to avoid developing a flinch. If you're hunting whitetail deer inside 200 yards or value high-capacity quick follow-ups, stick with the Stevens 334 platform—this Weatherby exists for scenarios where one well-placed shot must absolutely neutralize the threat.

What's in the box?

You receive the rifle itself, one 3-round detachable box magazine, and Weatherby's standard owner's manual with warranty registration. Unlike some European dangerous game rifles, no iron sights come pre-installed—expect to add another $300-$600 for quality optics and rings capable of handling the recoil impulse. The magazine release requires positive engagement; I've found it holds securely even during vigorous movement.

Is the Weatherby Mark V Frontier worth it at $4,649?

At this price, you're paying for specialized engineering that simply doesn't exist in budget rifles. The Mark V action's nine-lug design handles peak pressures exceeding 65,000 PSI—something no Remington 700 or Savage 110 action can claim safely. For African professional hunters or Alaskan guides facing brown bears, this rifle justifies its cost through reliability when failure isn't an option. For occasional elk hunters or range use, however, that money buys multiple more versatile firearms.