Weatherby Mark V Deluxe .338-378 Wby Mag Bolt-Action Rifle - MDX01N333WR8BWeatherby$3,030.96
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Weatherby
The Weatherby Mark V Apex 338-378 Wby Mag is a long-range hunting rifle purpose-built for shooters who refuse to compromise between power, accuracy, and field-ready weight. Built on Weatherby's proven Mark V steel action and chambered in the hard-hitting 338-378 Weatherby Magnum, the Apex delivers the velocity and energy needed for extended-range hunts while the modern Peak 44 Bastion carbon fiber stock keeps the whole package light enough to pack into backcountry. The 28-inch barrel—fluted and finished in a striking two-tone Coyote Tan and Graphite Black Cerakote—turns heads at the range and works just as hard in the field, paired with Weatherby's Accubrake ST muzzle brake to control recoil in a magnum that demands respect.
What sets the Mark V Apex apart isn't just its lineage; it's the thoughtful engineering that makes shooting it genuinely enjoyable. The Peak 44 Bastion stock weighs just 23 ounces and features a vertical grip with ambidextrous palm swell and substantial thumb groove—geometry that promotes solid form whether you're at the bench or glassing from a ridge. Dual swivel studs in the forend give you flexibility for different field setups. The real innovation, though, is the 3DHEX recoil pad—the industry's first 3D-printed option—whose interlocking voids progressively collapse during recoil to stretch out the impulse and dial back felt kick. In a magnum, that means tighter groups and more confidence in your shot placement.
Every detail reflects a rifle designed for serious hunters: spiral fluting on the bolt body smooths operation and shaves weight, the Accubrake ST's 30 symmetrically-spaced ports harness recoil without the flash signature that draws unwanted attention, and the two-tone Cerakote finish across the receiver, bolt, and barrel resists the elements while keeping the rifle looking sharp. This is the Mark V Apex—where Weatherby's legacy and modern composite innovation meet magnum velocity.
| Brand | Weatherby |
| Model | Mark V Apex |
| Chambering | 338-378 Weatherby Magnum |
| Action Type | Bolt-Action |
| Barrel Length | 28 inches |
| Barrel Features | Fluted; Two-tone Coyote Tan and Graphite Black Cerakote |
| Stock | Peak 44 Bastion Carbon Fiber; Weight 23 oz |
| Stock Features | Vertical grip; ambidextrous palm swell; thumb groove; dual swivel studs; tan/brown sponge pattern accents |
| Muzzle Brake | Weatherby Accubrake ST; 30 symmetrically-spaced ports |
| Recoil Pad | 3DHEX 3D-printed design |
| Bolt Features | Spiral fluting; Graphite Black Cerakote finish |
| Receiver / Trigger Guard Finish | Coyote Tan Cerakote |
| Safety / Bolt Knob Finish | Graphite Black Cerakote |
The 338-378 Weatherby Magnum chambering delivers high velocity and energy for extended-range shots, while the 28-inch fluted barrel and Weatherby Mark V action provide the accuracy foundation. The Accubrake ST manages the magnum's recoil, and the 3DHEX pad reduces felt kick so you stay on target.
The Peak 44 Bastion carbon fiber stock weighs 23 ounces, making the entire rifle field-ready without sacrificing comfort or control.
Yes, the Mark V Apex is equipped with Weatherby's Accubrake ST.
The forend includes dual swivel studs, giving you multiple mounting options for slings, bipods, and other hunting gear.
Weatherby
The Weatherby Mark V Apex 338-378 Wby Mag is a long-range hunting rifle purpose-built for shooters who refuse to compromise between power, accuracy, and field-ready weight. Built on Weatherby's proven Mark V steel action and chambered in the hard-hitting 338-378 Weatherby Magnum, the Apex delivers the velocity and energy needed for extended-range hunts while the modern Peak 44 Bastion carbon fiber stock keeps the whole package light enough to pack into backcountry. The 28-inch barrel—fluted and finished in a striking two-tone Coyote Tan and Graphite Black Cerakote—turns heads at the range and works just as hard in the field, paired with Weatherby's Accubrake ST muzzle brake to control recoil in a magnum that demands respect.
What sets the Mark V Apex apart isn't just its lineage; it's the thoughtful engineering that makes shooting it genuinely enjoyable. The Peak 44 Bastion stock weighs just 23 ounces and features a vertical grip with ambidextrous palm swell and substantial thumb groove—geometry that promotes solid form whether you're at the bench or glassing from a ridge. Dual swivel studs in the forend give you flexibility for different field setups. The real innovation, though, is the 3DHEX recoil pad—the industry's first 3D-printed option—whose interlocking voids progressively collapse during recoil to stretch out the impulse and dial back felt kick. In a magnum, that means tighter groups and more confidence in your shot placement.
Every detail reflects a rifle designed for serious hunters: spiral fluting on the bolt body smooths operation and shaves weight, the Accubrake ST's 30 symmetrically-spaced ports harness recoil without the flash signature that draws unwanted attention, and the two-tone Cerakote finish across the receiver, bolt, and barrel resists the elements while keeping the rifle looking sharp. This is the Mark V Apex—where Weatherby's legacy and modern composite innovation meet magnum velocity.
| Brand | Weatherby |
| Model | Mark V Apex |
| Chambering | 338-378 Weatherby Magnum |
| Action Type | Bolt-Action |
| Barrel Length | 28 inches |
| Barrel Features | Fluted; Two-tone Coyote Tan and Graphite Black Cerakote |
| Stock | Peak 44 Bastion Carbon Fiber; Weight 23 oz |
| Stock Features | Vertical grip; ambidextrous palm swell; thumb groove; dual swivel studs; tan/brown sponge pattern accents |
| Muzzle Brake | Weatherby Accubrake ST; 30 symmetrically-spaced ports |
| Recoil Pad | 3DHEX 3D-printed design |
| Bolt Features | Spiral fluting; Graphite Black Cerakote finish |
| Receiver / Trigger Guard Finish | Coyote Tan Cerakote |
| Safety / Bolt Knob Finish | Graphite Black Cerakote |
The 338-378 Weatherby Magnum chambering delivers high velocity and energy for extended-range shots, while the 28-inch fluted barrel and Weatherby Mark V action provide the accuracy foundation. The Accubrake ST manages the magnum's recoil, and the 3DHEX pad reduces felt kick so you stay on target.
The Peak 44 Bastion carbon fiber stock weighs 23 ounces, making the entire rifle field-ready without sacrificing comfort or control.
Yes, the Mark V Apex is equipped with Weatherby's Accubrake ST.
The forend includes dual swivel studs, giving you multiple mounting options for slings, bipods, and other hunting gear.
