Ultra-high velocity, magnum ammunition is how Roy Weatherby got started in the 1940s. As a young wildcatter, he revolutionized the industry with his fast, hard-hitting loads that were dead-on accurate. Today, those same performance qualities are every bit a part of Weatherby cartridges. Weatherby’s move to Wyoming is an exciting step towards the continual opportunity for innovation. The cartridges that paved the way for advancement in ballistics and load development will forever be a solid foundation. Weatherby’s intention is a constant progression for ballistic superiority, confidence in developing new and impressive cartridges that perform and meet expectations attached to the Weatherby brand.
Choose a configuration
257 Weatherby Magnum
340 Weatherby Mag · 225 Grains · InterLock
240 Weatherby Magnum
338-378 Weatherby Magnum
340 Weatherby Mag · 225 Grains · Lead Free
300 Weatherby Magnum
224 Weatherby Mag
25 Weatherby RPM
6.5 PRC
28 NoslerOut of stock configurations
Weatherby – Select Plus — 340 Weatherby Mag · 225 Grains · InterLock · 20
$84.99
H340225IL
Weatherby, Select Plus, 340 Weatherby Mag
225 Grain, Interlock, 20 Round Box
Ultra-high velocity, magnum ammunition is how Roy Weatherby got started in the 1940s. As a young wildcatter, he revolutionized the industry with his fast, hard-hitting loads that were dead-on accurate. Today, those same performance qualities are every bit a part of Weatherby cartridges. Weatherby's move to Wyoming is an exciting step towards the continual opportunity for innovation. The cartridges that paved the way for advancement in ballistics and load development will forever be a solid foundation. Weatherby's intention is a constant progression for ballistic superiority, confidence in developing new and impressive cartridges that perform and meet expectations attached to the Weatherby brand.
Availability: 9 in stock*
- Rounds Per Box
- 20
- Bullet Grain Weight
- 225 Grains
- Bullet Type
- InterLock
- Case Type
- Brass
- Caliber
- 340 Weatherby Mag
- Muzzle Velocity
- 3065 FPS
- Manufacturer
- Weatherby
| Rounds Per Box | 20 |
|---|---|
| Bullet Grain Weight | 225 Grains |
| Bullet Type | InterLock |
| Case Type | Brass |
| Caliber | 340 Weatherby Mag |
| Muzzle Velocity | 3065 FPS |
| Manufacturer | Weatherby |



