The 440 Cor-Bon was launched by the Cor-Bon Corporation in 1998 and is based on the 50 Action Express Desert Eagle necked down to .429: (44 Caliber) in order to achieve a flatter shooting cartridge with less recoil but better penetration than the 50 AE. It did not...

Listed in the 1882 Eley catalogue, but very little further information available. The measurements are almost the same as for the 430 Long CF (EB Ref. 398). (Erlmeier, Brandt Ref. 421)

Developed in 1871 in Belgium and produced by a number of manufacturers in the UK and Europe. The dimensions are almost the same as for the 44 S&W American and should be interchangeable. (Erlmeier, Brandt Ref. 422)   

This cartridge might be a shortened version of the 440 Long CF revolver (EB 421), but no other info available. (Erlmeier, Brandt Ref. 423)

Webley first produced a solid frame, double-action revolver in 1867 and was adopted by the newly formed Royal Irish Constabulary in 1868. It seemed that from its inception these cartridges were procured through other than military channels. However, during 1892/93 a...

Developed by Lew Schafer of 3K Industries, the 444 Schafer Mag is based on the 444 Marlin case, turned on a lathe to match the outside dimensions of the 44 Magnum and is used in custom barrelled Thompson Contender barrels. This will enable shooters to use 44 Special...

The 445 Super Mag is a ‘stretched’ 44 Magnum case and was developed by Dan Wesson Arms and the late Elgin Gates, then president of IHMSA during 1988 as a silhouette revolver.

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...

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...

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...

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...

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...

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...

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...

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

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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).    

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...

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...

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...

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).   

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...

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...

This cartridge was developed for a specialised silenced S&W Mod. 625 revolver used by the Dusseldorf Airport Police during the mid-90’s. There was a discussion regarding this cartridge on the IAA FORUM. PSDR = Peters Schalldämpfer-Revolver   

The .45 Silhouette that was developed by Frank C. Barnes, and Dick Smith of the Washoe County Crime Laboratory in 1984. The .45 Silhouette is a .45-70 case cut down to 1.5”   

The 45 Stark was developed by Bruce Stark around 2012 and is a 45 Win Mag case that was lengthened by .100-inch to a total of 1,298-inch and an overall length of 1,60 inches and can almost be described as a ‘45 ACP Magnum’. Cases were made for him by Quality...

The 45 Super dates from the late 80’s and was developed by Dean Grennel, a well-known writer in the firearms field as well as managing editor of Gun World magazine where the cartridge was first mentioned in 1988. The basic idea behind the 45 Super was to take the...

The 45 Teatfire was one of a number of front loading cartridges that were developed during the mid to late 1860’ to circumvent the Rollin White patent that allowed a bored-through cylinder enabling self-contained cartridges to be loaded from the rear. The Rollin White...

The 45 Webley cartridge was developed by American manufacturers (WRACO, UMC and Remington) from around 1875 to 1939. The 450 Short CF/Adams had been around since 1867 and was chambered in a variety of British and European revolvers and many ended up in the US but it...

The 45 Winchester Magnum was introduced in 1979 but was technically not a new design. It is dimensionally and balistically the same as the 45 NAACO that was developed for the Canadian military in 1959, but not adopted. It is a lengthened version of the 45 ACP, but...