The Weatherby Mark V APEX in .338-378 Weatherby Magnum pairs the proven Mark V steel action with a lightweight Peak 44 Bastion carbon-fiber stock and Weatherby’s Accubrake ST to deliver a balanced package for long-range hunting. The rifle includes a fluted, two-tone Cerakote barrel profile, a TriggerTech trigger and a spiral-fluted bolt for smoother function. Designed to reduce felt recoil and improve follow-up shots in magnum chamberings, the APEX emphasizes manageable performance and field-ready durability.
Key Specifications
- Chambering is .338-378 Weatherby Magnum.
- Action type is Bolt Action.
- Magazine capacity is 2 + 1 rounds.
- Exterior finish is Flat Dark Earth Cerakote.
- Stock is the Peak 44 Bastion carbon fiber vertical-grip design with FDE and black accents.
- Muzzle thread pattern is 5/8×24.
- Muzzle device is the Accubrake ST muzzle brake (30 symmetrically spaced ports).
- Trigger system is a TriggerTech trigger.
- Bolt features a spiral-fluted design to reduce bearing surface and smooth operation.
- Barrel twist rate is listed as 1-in-10.
Built around a rugged Mark V action and a highly lightweight carbon-fiber stock, the APEX blends recoil management, smooth mechanical function and precision-oriented features to serve hunters seeking reliable long-range performance from a magnum-class rifle. Its combination of lightweight ergonomics and effective recoil mitigation makes it suited for extended field use where control and consistent follow-through matter.
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