Joint development by Ruger and Hornady for the Super Redhawk revolver and was launched in 2003 to provide a cartridge that is far superior to the 44 Magnum but still manageable as a carry gun. Many more powerful handguns like the 500 S&W have been introduced since...

Relatively rare cartridge with the generally the same case length as the 455 Webley revolver. (Erlmeier, Brandt Ref. 471)   

This is the third version of the Enfield series, the others being the Mk. 1 (EB Ref. 457) which was reportedly only manufactured in very small lots in India in the latter part of September 1880 and had a shorter bullet than the Mk. 2 with a modified bullet that was...

Designed in the early 1970’s by Wildey J. Moore for a gas-operated, double-action/single-action pistol and was offered in a variety of calibers, the biggest being the 475 Wildey Magnum. it is based on a shortened 284 Winchester case. It was made famous in the Death...

Before the introduction of the 480 Ruger, a few prototype rounds were made headstamped 475 Ruger, but the idea was dropped and the 480 was adopted instead. There is very little difference between the 480 Ruger (1.3” case) and the 475 Linebaugh (1.4” case). The 480...

The 475 Maximum was developed by John Linebaugh in 2001, together with its ‘big brother’ the 500 Maximum and is sometimes called the 475 Linebaugh Long. It is 0.2” longer than the ‘standard’ 475 Linebaugh at 1.6inch. it did not achieve the success hoped for as the 475...

The 475 Linebaugh was developed around 1988 by John Linebaugh as a companion to the 500 Linebaugh. It is based on the .45-70 Government case shortened to 1.4”

Case type by LEHIGH DEFENCE based on the 480 Ruger case but with a rebated rim.   

This was a JDJ development from SSK Industries around 1978 for added power in Thompson/Center Contender handguns. It is based on the 45-70 Govt case.   

The 460 Smith & Wesson was introduced in 2005 for the Model 460XVR (Extreme Velocity Revolver). The .460 S&W is a lengthened, more powerful version of the popular .454 Casull, and was launched specially for the handgun hunting market.   

The .460 Rowland is a proprietary cartridge that was designed and developed by Johnny Ray Rowland, host of "The Shooting Show." It is an attempt to achieve true .44 Magnum level velocities when fired from a number of popular semi-automatic pistols. Cases are by...

During the 1970's Elgin Gates looked at the line-up of currently available Magnums and decided longer would be better and designed a series of new Magnum cartridges which were dubbed SuperMags and were 1.60" in length, or about three-tenths of an inch longer than...

The 458 Devastator was developed by Lee Martin from Arlington VA, during 1994. It is based on a belted Magnum case trimmed to 1.40” Some info on the history of the 458 Devastator HERE.   

The 455 Webley Auto was introduced in 1913 for Naval service in the Webley & Scott Self Loading Pistol Mark I, which was not intended to replace the Webley revolver, but to go on issue alongside it. The cartridge's approval was later extended to Land service...

This is the M. 1910 version from the drawing dated February 1910. I still retained the thin rim but with the narrower extractor groove. (Erlmeier, Brandt Ref. 467).   

This is the M. 1904 Type 2 from the drawing AB10/56 dated 2nd of June 1904. It had the thin rim and case length of 0.88” (22.3mm). (Erlmeier, Brandt Ref. 466).               Unusual Die-Cast dummy

455 WEBLEY Mk.II The Mark 2 was approved in July 1897 as “CARTRIDGE SA BALL PISTOL WEBLEY CORDITE MARK II (ALSO ENFIELD)” Problems occurred with the Mark 1 with misfires and pierced primers that were initially attributed to the cartridge but was later found to be the...

Unfavourable reports by Lord Wolsey (who was at that stage the Adjutant General) about the Enfield 442 RIC (Royal Irish Constabulary) Revolver in use during the mid-1880’s being heavy and cumbersome as well as negative reports by the Royal Navy prompted the...

The Enfield Mk. 2 was the second version that was approved as “CARTRIDGE SA BALL PISTOL REVOLVER ENFIELD BL MARK II” in November 1880. It followed from the Mark I that was deemed unsatisfactory. The Mark I was only made in limited quantities for service in India. The...

The 454 Casull was developed in 1957 – just two years after the launch of the 44 Magnum – by Dick Casull and Jack Fullmer as a cartridge for handgun hunting and was based on a strengthened 45 Colt case lengthened by 1/10th inch but the cartridge was only SAAMI...

The 451 Detonics was developed by the Detonics manufacturing co. in the early 1980’s in the search for a more potent version of the M1911. To achieve this they used a shortened .45 Win Mag cases that had a much stronger base in their Combat Master pistol, basically a...

Designed in the early 1970’s by Wildey J. Moore for a gas-operated, double-action/single-action pistol and was offered in a variety of calibers, the biggest being the 475 Wildey Magnum. The 450 Wildey Magnum is the 475 case necked down to .45cal. It is based on a...

The 450 Short Magnum Cartridge (SMC) was introduced by Triton during the latter part of 2000. It is basically the same as the 45 SUPER and here things can get a little confusing. The 451 Detonics was developed in the early 1980’s and showed what a 1911 was really...

The 450 Short Center Fire is very often a neglected part of many collections and given the fact that this cartridge has been loaded more or less continuously since 1867, it most certainly demands more respect than it sometimes receives from collectors (me included)....

British development for a revolver by the firm Thomas Bland & Sons, which had offices in London and Birmingham with cartridges made for them by Eley. The shape of the bullet is the same as for the 476 Enfield Mk. 3 (Erlmeier, Brandt Ref. 453)   

   One of a series of experimental cartridges and smallest of the 45 calibers made by H.W. Gabbet-Fairfax for a Mars semi-auto pistol, in all probability between 1895 – 1903. These cartridges were to be submitted for military trials but were ultimately not...

   Largest of the experimental cartridges made by H.W. Gabbet-Fairfax for a Mars semi-auto pistol, in all probability between 1895 – 1903. These cartridges were to be submitted for military trials but were ultimately not successful. The main reason of its...

The 450 Magnum Express was developed by North American Arms in 1981 although it was not made available until 1984. It is actually nothing more than the 45 Winchester Magnum that was lengthened to 1,344 inches and the cases were made for them by Winchester. The...

450 LONG C.F. (50/64" CASE) This was one of the 450 Long C.F calibers listed in the late 19th to early 20th Century. These cartridges were listed in a variety of case lengths and called 450 Long, mainly in order to differentiate them from the 450 Short CF Revolver....

 - info to follow -   

Replica of a patent ignition cartridge that was developed by Robert Adams in 1852.

 - info to follow -   

The 450 Bonecrusher was designed by Lee Marvin from Arlington, VA in April 2002. The development of the 454 Casull proved that it was possible to duplicate the performance of very large frame revolvers like the Magnum Research 450 Marlin with a smaller cartridge/gun...

The 450 Bond Super is nothing more than a standard 45 ACP cartridge but loaded with extremely light (90 – 100gr.) bullets. It is/can be used in a Derringer type revolver manufactured by Bond Arms in Granbury TX. The cartridges are loaded by RBCD Performance Plus,...

450 ADAMS  Mk.I The 450 Adams Mk I was approved on the 21st of December 1868. The cartridge had an iron base-disk, with brass case and copper primer inserted in the rivet to hold the base disk to the case and was loaded with 13 gr. black powder. It was replaced...

The Salvo Squeeze Bore (SSB) is a system designed to increase hit probability and/or target saturation. This objective is attained through firing a number of projectiles with each shot through a barrel of special squeeze design. The projectiles are nested in tandem...

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...

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 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 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 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 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”   

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 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).