Description
The Weatherby 338 Wby RPM 225gr InterLock load, Weatherby item H338225IL, is a 20 round box of 338 Weatherby RPM ammunition from the Weatherby Select line, loaded with a 225 grain Hornady InterLock bullet rated at 2800 fps with 3917 ft-lbs of muzzle energy.
Weatherby 338 Wby RPM 225gr InterLock Overview
Roy Weatherby built his reputation on high-velocity magnum cartridges, and Weatherby still loads its own cartridges to deliver the speed and flat trajectory they were designed for. The Select line pairs Weatherby performance with the proven Hornady InterLock bullet at a sensible price. Each load is built for hunters who want consistent accuracy and dependable terminal performance.
Bullet Design
The Hornady InterLock bullet uses an internal ring that locks the jacket and lead core together, so the bullet expands reliably while holding together for deep penetration. It is a proven, accurate and affordable hunting bullet for deer, elk and similar game.
Intended Use
This load is built for the largest North American game, including elk, moose and bear, and for plains and African game where its power and penetration are needed. Always confirm your zero with this load before the hunt, and check your state regulations for any caliber or bullet requirements.
Firearm Compatibility
This ammunition is made for rifles chambered in 338 Weatherby RPM, such as Weatherby Mark V and Model 307 rifles and other rifles built for the cartridge. Always check the caliber marking on your barrel before loading, and never fire it in a rifle chambered for a different cartridge.
About Weatherby
Weatherby has built high-performance rifles and ammunition since 1945. Its magnum cartridges are known for speed, reach and a flat trajectory, and the company continues to develop new cartridges and loads for hunters around the world.
Recoil and Shootability
Expect heavy recoil from this magnum load. A well-fitted rifle, a quality recoil pad and a muzzle brake make practice more comfortable and help you shoot accurately.
Choosing a Bullet
Weatherby offers several bullets in most of its cartridges so hunters can match the load to the game. Copper bullets such as the Barnes and Hammer designs are lead-free and hold their weight for deep penetration, bonded bullets like the Swift Scirocco combine toughness with a high ballistic coefficient, and long-range designs such as the Berger Elite Hunter and Hornady ELD-X are built to expand at extended distances. Lighter bullets shoot flatter, while heavier bullets carry more momentum for large game.
Sighting In
Zero your rifle with the exact load you plan to hunt with, and confirm your drop at several distances. Magnum cartridges shoot flat, but every rifle is different, and a few shots at 200, 300 and 400 yards tell you exactly where this load lands before the season opens.
Shot Placement and Range
Fast, flat-shooting loads make longer shots more forgiving, but shot placement still matters most. Know your rifle’s drop at the distances you expect to shoot, practice from field positions, and pass on shots beyond your proven ability.
Why Shooters Choose Weatherby Ammo
Weatherby ammunition is loaded to match the performance its cartridges were designed for, using premium bullets that perform across the full range of hunting distances. Hunters choose it for consistent velocities, strong accuracy and bullets that hold together on tough game.
Storage and Care
Store ammunition in a cool, dry place in its original boxes, away from solvents and lubricants that can contaminate primers. Inspect rounds before loading, and set aside any with dents, loose bullets or corrosion.
Specifications
- Brand: Weatherby
- Line: Select
- Item number: H338225IL
- Caliber: 338 Weatherby RPM
- Bullet weight: 225 grain
- Bullet: Hornady InterLock
- Muzzle velocity: 2800 fps
- Muzzle energy: 3917 ft-lbs
- Count: 20 rounds per box
- UPC: 747115450664
Before You Buy
Federal law requires buyers of rifle ammunition to be at least 18 years old when buying from a licensed dealer. Some states and cities restrict ammunition purchases, require background checks or limit shipping, so check your local rules before you order.
Who It Is For
The Weatherby 338 Wby RPM 225gr InterLock is a great fit for big game hunters who shoot a 338 Weatherby RPM rifle and want premium, high-performance ammunition from the company behind the cartridge.
Buy the Weatherby 338 Wby RPM 225gr InterLock at MAG5 Firearms
MAG5 Firearms is a family-owned FFL in Collegeville, Pennsylvania. Order the Weatherby 338 Wby RPM 225gr InterLock online and we will ship it to you where state and local law allow, or browse our full selection of ammunition for more rifle loads. For factory details, visit Weatherby.
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