Ammunition

The .257 Weatherby was one of Roy Weatherby’s earliest creations and quickly became his favorite. This flat shooting cartridge has grown to be one of Weatherby’s most popular rounds. Swift™ Scirocco®A bonded bullet with...

Roy Weatherby’s personal favorite. Travels 3,870 fps (80 grain bullet), giving you the flattest trajectory of any 25 caliber rifle in the world. Suitable for long-range varmint shooting but ideal for big game hunting (depending upon bullet weight)...

A turbo-charged version of the popular 270 Winchester. In 1945, Roy Weatherby shortened the 300 H&H Magnum, blew out the body, necked it down to accept a 270 bullet and gave hunters a flatter shooting, harder hitting 270. Ideal for long-range, medium...

The .270 Weatherby Magnum cartridge was developed by Roy Weatherby in 1943 and was the first belted magnum to be offered to the public when he open his business in 1945. CARTRIDGE SPECS Bullet Diameter: .277 (7mm) Common Reference: 270 Caliber Max Case...

The 280 AI was developed by Parker Otto (P.O.) Ackley. P.O. was a lot like Roy Weatherby, a wildcatter who was in search of better solutions. His 280 AI set out to improve the .280 Rem by steeping the shoulder to 40 degrees to increase powder capacity...

Initially a wildcat cartridge developed by Roy Weatherby in 1959 at the request of the United States Army. This white-hot cartridge is based on the 378 necked down to 30 caliber and packed with powder. Originally billed as the world’s fastest 30...

Initially a wildcat cartridge developed by Roy Weatherby in 1959 at the request of the United States Army. This white-hot cartridge is based on the 378 necked down to 30 caliber and packed with powder. Originally billed as the world’s fastest 30...

Initially a wildcat cartridge developed by Roy Weatherby in 1959 at the request of the United States Army. This white-hot cartridge is based on the 378 necked down to 30 caliber and packed with powder. Originally billed as the world’s fastest 30...

Initially a wildcat cartridge developed by Roy Weatherby in 1959 at the request of the United States Army. This white-hot cartridge is based on the 378 necked down to 30 caliber and packed with powder. Originally billed as the world’s fastest 30...

30-378 Weatherby MagnumThe 30-378 is known as the fastest production .30 Caliber available on the market. It is a truly potent magnum cartridge, with its greatest strength found at ranges exceeding 1,000 yards CARTRIDGE SPECS Bullet Diameter: .308 (7...

300 PRCThe 300 PRC (Precision Rifle Cartridge) was introduced to the market in 2018. Designed to take advantage of long heavy bullets, the 300 PRC excels at long distances. Weatherby is known for ballistics and velocity, our offerings will push the...

By far the most popular and versatile Weatherby cartridge available. The 300 Weatherby Magnum had the flattest trajectory, longest range and the greatest killing power of any 300 magnum on the market until the 30-378 Weatherby Magnum came along. Based on...

By far the most popular and versatile Weatherby cartridge available. The 300 Weatherby Magnum had the flattest trajectory, longest range and the greatest killing power of any 300 magnum on the market until the 30-378 Weatherby Magnum came along. Based on...

By far the most popular and versatile Weatherby cartridge available. The 300 Weatherby Magnum had the flattest trajectory, longest range and the greatest killing power of any 300 magnum on the market until the 30-378 Weatherby Magnum came along. Based on...

338 WBY RPMThe 338 WBY RPM (Rebated Precision Magnum) is based on the Weatherby 6.5 RPM necked up to accept a 338 caliber bullet. The 338 RPM was designed to take advantage of Weatherby 6-Lug action to get magnum performance in a 5lb rifle. The large...

338 WBY RPMThe 338 WBY RPM (Rebated Precision Magnum) is based on the Weatherby 6.5 RPM necked up to accept a 338 caliber bullet. The 338 RPM was designed to take advantage of Weatherby 6-Lug action to get magnum performance in a 5lb rifle. The large...