Unsure of the correct name for this cartridge. It has a foil case and the struck primer can be seen but the base cup is missing. Will update if I have additional info                  ...

The .45 Schofield, also known as the .45 Smith & Wesson was developed by Smith & Wesson for their S&W Model 3 Schofield top-break revolver. It was originally designed as a black powder round and was loaded at Frankford Arsenal as a Benet primed round with...

The 45 Ross was made by U.M.C. circa 1903, It is estimated that probably only 50 rounds made for Sir Charles Ross (Ross Rifle Co.) of Canada for his pistol design     This is a very rare Ross automatic pistol, patented in 1903 by Charles Ross, of the Ross...

There is not much information available about the 45 Remington. According to Erlmeier, Brandt a Remington Falling block Pistol was shown at the 1873 International Expo in Vienna that was chambered for a bottlenecked cartridge. (Erlmeier, Brandt Ref. 436).   

This is a British design that has caused a lot of confusion over the years as to exactly what the 45 MP meant. It is now generally accepted that the correct name for this cartridge is the 45 Maxim Pistol and is based on the Nov 1885 patent design revolver by Hiram...

The 45 HP is also known as the 45 Auto Short, having a case that is 1mm shorter than a standard 45 ACP. It was developed because of restrictive rules on shooters in many countries making it illegal for civilians to own semi-automatic pistols in military chamberings...

The 45 GAP was developed by Ernest Durham, of CCI/Speer in November 2002 at the request of GLOCK to have a cartridge that’s the same overall length as a 9x19mm cartridge, but be equal in power to a .45 ACP cartridge. It is offered in the Glock 37 pistol and is used by...

This was a Belgian experimental dating from 1920-1930. Cartridge had an internal extraction groove. Still trying to find additional info. (Erlmeier, Brandt Ref. 434A).    

- info to follow -

Concept cartridge by Christian von Rautenkranz. It is based on a shortened 45 Win Mag case but there are no guns in existence for this cartridge. PFH = Ponts Farm House

The 45 Cowboy Special was designed specifically for the Cowboy Action Game and is a shortened version of the 45 Colt cartridge for use with low velocity lead bullets with minimal recoil. The shorter case of the 45 Cowboy Special make it an ideal cartridge over the...

This was called the Cal .45 revolver ball Cartridge Model of 1909 for Single and Double Action revolvers. It was developed from an earlier modified Colt round in order to standardise a cartridge able to function in both the newly manufactured double action revolver...

In the latter part of 1905 Frankford Arsenal was ordered to develop a full metal jacket revolver round for trials that would be conducted in the beginning of 1906. This is the Model 1906 .45 Revolver Ball cartridge. The official test lot from January 1906 proved...

The .45 Colt was a joint development between Colt's Patent Firearms Manufacturing Company, of Hartford, Connecticut, and the Union Metallic Cartridge Company of Bridgeport, Conn. Although development started in 1871, it was adopted by the Army in 1873. It replaced the...

At the end of WW2 the Canadian Military was searching for a new service handgun and the 45 Brigadier was developed by the North America Arms Corporation for them. The gun they developed was based on a scaled up version of the FN GP35 pistol. The cartridge was a longer...

This was a development by Peters Cartridge Company around 5 years after the introduction of the 45 ACP as an effective alternative to the use of half-moon clips on the 45 ACP cartridges in the S&W and Colt Model 1917 Revolver. There was a large number of surplus...

Frankford Arsenal already started development of a military automatic pistol cartridge during 1904 with commercial cases manufactured by Winchester. In 1905 Frankford Arsenal was requested to develop a quantity of cartridges for testing in early 1906. A rimless and...

The ADP (Advanced Defensive Pistol) was a South African development by Alex du Plessis in 1991 as a concealed carry handgun for police as well as civilian use. It first appeared in 1994 via Aserma, a South African company but the rights were sold about the same time...

The history of the 45 ACP and the Colt 1911 started during the late 1890’s. At that time there were still a large number of revolvers in use by the US military forces and it was during the Moro Rebellion of 1899 – 1913 in the southern Philippines that the necessity of...