The 450 Ultra Magnum was designed by John Bolliger and is a 375 Remington Ultra Mag necked up to .458 caliber    

     Designed by Jack Lott

- info to follow -

   Prototype model with lower shoulder by Peter Pichler      Last specimen made from PMP basic brass         

The BACO headstamp is by Buffalo Arms Co., Ponderay, ID with cases made for them by Bertrams

     Very similar to the 45-100 Sharps 2.6” – See also RTB X 2-291

Smaller in rim dimensions than the Sharps cases, but with larger body and head. Cyrus B. Holden used to work with Frank Wesson in the early 1870’s, but then began making his own single shot rifles. The brass case shown was made by Winchester. See Hoyem 4 p.109.

     Basically a scarce loading of the 45-100 Sharps 2.6”

The 45 RAPTOR is a new addition to the 308 WINCHESTER family of cartridges that has seen production of almost every caliber from .243 to .358.  Rather than create an entirely new set of cartridge dimensions, it became apparent that matching the case length and...

Dating from around October 1886, this was one of the first cartridges offered in the Winchester M1886 rifle and was listed up to around 1911.    RMTA is for Rocky Mountain Tool and Armoury.       Board dummy  

     Named after Mr H.H Wolcott, President of the Starr Arms Co. Maybe intended as a match cartridge.

     IT IS THE 45-70 SPRINGFIELD LOADED FOR SHARPS

For the RCMP (Royal Canadian Mounted Police) French      

This is the bottom specimen from Hoyem 4 p.71. This cartridge was made by the Providence Tool Company from Providence, Rhode Island and was based on the British Martini Henry cartridge but with the shoulder pushed back and a longer neck. The Martini case was...

From Hoyem 2 p. 33 – “In his book REMINGTON America’s Oldest Gunmaker, author Roy Marcot describes on page 100 the Black Hills Rifle, made only in 1877 and 1878, based on the No. 1 military receiver with 28” barrel, standard sporting stock and fore-end, and chambered...