Short steep shoulder (60degrees vs 29 of the H&H and Rigby), fat, short( shorter than the case it is trying to replace), and more or less straight walls. Magnum rifles are available in .375 Holland & Holland, .416 Rigby and .450 Rigby; Standard calibers are 8x57JS, 7x57, 9.3x62, .308 Winchester and .30-06. is a first-generation smokeless powder rimless bottlenecked rifle cartridge.It is known as .275 Rigby in the United Kingdom. The 7mm-08 Rem. loads. The 7mm-08 Rem. After the phenomenal response to the commemorative Corbett rifle, Rigby realised there was a demand for vintage-looking rifles. With the Hornady Custom.275 Rigby load 140-grain load moving at 2680 fps, it will still retain over 1,000 ft-lbs at the 400-yard mark. may be just the 308 Win. It was developed by Paul Mauser of the Mauser company in 1892 and adopted as a military cartridge by Spain in 1893. expanding bullets at higher velocity than the old 173 gr. The sound of the Hornady 165-grain InterLock from the .30-06 Springfield striking flesh was undeniable and, within 25 yards, the stag was down for good. Those rifles normally don’t come cheap though. The British firm Rigby, hesitant about adopting a German cartridge, renamed their rifles and ammunition under the designation .275 Rigby (1899). Hornady’s Custom load for the .275 Rigby is built around the 140-grain InterLock and gave 1/3 MOA from this Highland Stalker. Sporting ammunition manufacturers eventually began to produce 140 to 154 grain high velocity soft point loads for the 7mm. necked down, but what a difference this bit of pre-nuptial necking makes. The 275 Rigby is the exact same cartridge as the 7X57mm Mauser. The 7×57mm Mauser (designated as the 7mm Mauser or 7×57mm by the SAAMI and 7 × 57 by the C.I.P.) Jim Corbett used his for leopards and tigers over bait, but went to a .450/400 (if I remember correctly) for stalking man eaters. The essential difference between the Expert and the Diplomat is the grade of walnut used for the stock – “grade 5” for the Expert, “grade 7” for the Diplomat. For that reason it was decided to model the Highland Stalker on the look of the original .275 Rigby, which was the ubiquitous rifle of its time. You see, the .275 Rigby is simply the 7x57 Mauser under another name and offers the same performance that … Rigby still makes a couple models available in .275 Rigby and occasionally a used rifle will turn up for sale. It was subsequently adopted by several other … is the modern version of W.M.D. All the proven dangerous game rounds have longer shallower shoulders, and a very noticeable angle in the side walls of the cartridge, and a big fat rim that is the widest point of the cartridge. In typical English fashion Rigby used the lands measurement to rename the 7X57mm the 275 Rigby. Flatter trajectory, less wind deflection and MORE ENERGY downrange where it might actually matter. Ruger has been doing runs of handsome .275 Rigby marked hunting rifles, and the .275 Rigby is nothing more than a 7x57 with a catchy Irish name used for marketing it to the Empire. The original Rigby rifles are true treasures of the rifle world. John Rigby and Company produced a number of rifles chambered in .275 Rigby (which is what the British called the 7mm Mauser) for British citizens hunting all over the globe. The 175-grain loads have actually received a bit of a boost over the years, with muzzle velocities in excess of 2400 fps, and are as effective, if … reaper556, it is interesting that Ruger would mark one of their rifles with the British .275 Rigby instead of 7x57 or 7MM Mauser. This has pretty well been hashed over, but the .275 Rigby was the 7X57 loaded with a 140 gr. They were made to be carried … .275 (not .257) Rigby.275 Rigby is what I meant instead of .257 - I must be somewhat dyslexic, sorry about any confusion. To test that classic .275, I set a Leupold VX-6 2-12x42mm scope in Talley Rings and grabbed some good ammunition, including the Hornady .275 Rigby stuff. Bell’s .275 Rigby, the British title for the 7x57mm Mauser.