Lindcott Armory Rifle · SAAMI standardized
7mm Weatherby Magnum
Roy Weatherby's belted magnum cartridge from 1945.
- Introduced
- 1945
- Type
- Rifle
- Origin
- United States
- Inventor
- Roy Weatherby
- Manufacturer
- Weatherby
- Standard
- SAAMI standardized
- Status
- Active
- Availability
- Specialty
- Bullet ⌀
- 0.284″
- Case capacity
- 82 gr H₂O
- Twist
- 1:10
- Primer
- Boxer Large Rifle
- Case type
- Belted
- Max pressure
- 65,000 psi
- Eff. range
- 400 yd
- Recoil
- 15–20 ft·lb
Ballistics
- Velocity
- 3,100–3,400 fps
- Energy
- 2,968–4,002 ft·lb
- By real loads
- 3,020–3,325 fps · 14 loads
- Typical MSRP
- $2.50/rd · price history →
- Parent case
- —
Representative trajectory — modeled from a single velocity input, not a measured load. Real published loads span the "by real loads" range above.
Factory loads
In production — 14 active loads across 9 brands. Top 14 shown.
| Brand | Load | Grain | Bullet | FPS | ft·lb | BC | $/rd |
|---|---|---|---|---|---|---|---|
| Nosler | Trophy Grade AccuBond | 160 | AccuBond | 3,200 | 3,637 | 0.298 | $0.85 |
| Hornady | Precision Hunter ELD-X | 162 | ELD-X | 3,100 | 3,456 | 0.631 | $3.50 |
| Barnes | VOR-TX TTSX BT | 140 | TTSX BT | 3,325 | 3,436 | — | $0.85 |
| Weatherby | Select Plus | 139 | Nosler Partition | 3,300 | 3,361 | — | $2.50 |
| Remington | Core-Lokt | 160 | AccuTip | 3,200 | 3,637 | — | $0.85 |
| Weatherby | Select Plus | 154 | Nosler Partition | 3,160 | 3,414 | — | $2.50 |
| Norma | Oryx | 154 | Oryx | 3,160 | 3,414 | — | $2.60 |
| Winchester | Power Point | 154 | Power Point | 3,160 | 3,414 | — | $0.85 |
| Federal | Terminal Ascent | 155 | Terminal Ascent | 3,100 | 3,307 | — | $3.50 |
| Black Hills | Gold | 162 | ELD-X | 3,100 | 3,456 | — | $0.85 |
| Weatherby | Select Plus | 175 | Hornady IL | 3,070 | 3,662 | — | $2.50 |
| Winchester | Expedition | 175 | AccuBond | 3,020 | 3,543 | — | — |
| Remington | Core-Lokt | 175 | Core-Lokt | 3,020 | 3,543 | — | $0.85 |
| Norma | Bondstrike | 175 | Bondstrike | 3,020 | 3,543 | — | $2.75 |
Velocities are manufacturer-stated (test-barrel). Discontinued loads dimmed.
Dimensions
Reloading cost
Estimate your cost per round and how it compares to factory. Inputs are yours — nothing is stored.
Cost estimate only — not load data. Charge weight is your input; follow published manuals for safe charges.
Firearms chambered in 7mm Weatherby Magnum
2 models in the database chamber 7mm Weatherby Magnum. Browse all →
Connected reference
History
Roy Weatherby developed this belted magnum in 1945 as one of his earliest proprietary cartridges. Designed for long-range hunting of North American and African game, it predates and directly influenced the 7mm Remington Magnum introduced in 1962. Still chambered in Weatherby Mark V rifles.
FAQs
- What twist rate does 7mm Weatherby Magnum use?
- 7mm Weatherby Magnum typically uses a 1:10 twist rate.
- What bullet diameter is 7mm Weatherby Magnum?
- 7mm Weatherby Magnum uses a 0.284″ (7.21 mm) diameter bullet.
- Is 7mm Weatherby Magnum still in production?
- 7mm Weatherby Magnum is active; typical availability is specialty.
- What is 7mm Weatherby Magnum used for?
- 7mm Weatherby Magnum is primarily used for hunting.
Data & sources. Specs compiled from the Lindcott Armory reference; availability counted from 14 live factory loads; the trajectory is modeled (point-mass), not measured. Spotted an error? Report it →