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50 KRATER

Developed for the AR-10 platform, as far as could be ascertained, it was developed around 2014. The 50 Krater is based on a shortened 300 RUM case. There was a mention of the 50 Krater on The Texas Hunting Forum and that a company called Outdoor Shooter Supplies...

8mm ULTRA

There is very little info on the 8mm Ultra, all of which is duplicated on various websites. The consensus info is that it was a Gustaf Genschow & Co. development around 1934 for a Walther PP in order to provide an intermediate powered cartridge between the 7.65...

8.5mm MARS

The 8.5mm Mars was one of four cartridges developed by Hugh Gabbett-Fairfax for submission to military trials in the beginning of the 20th century. The 8.5mm was different from the 9mm/360, 45 Short and 45 Long as the 8.5mm was submitted for the French trials. This...

8.8 X 10R SAPL

Grey injection moulded plastic case with plastic bullet. SAPL is a family-owned French company, Société d'Application des Procédés Lefebvre. According to the WRI website, the company was founded in 1983 by Jean Lefebvre and its main business is the manufacturing of...

8.6 BLACKOUT

The 8.6 Blackout was created by Kevin Brittingham from Q LLC and is based on a shortened and necked up 6.5 Creedmoor case to facilitate correct seating and feeding of the long, high-ballistic-coefficient bullets that provide maximum subsonic power from an AR-10...

7mm PRC

The 7mm PRC is based on a shortened and necked down 300 PRC, itself based on the 375 Ruger case. Whereas the 300 PRC fits on a magnum length action, the 7mm PRC will fit on a standard-length action. Case capacity is similar to the 7mm Remington Magnum

6mm GT MATCH

The 6mm GT was developed by George Gardner of GA Precision and Tom Jacobs of Vapor Trail Bullets. It was developed to be an all-around precision rifle competition cartridge that solved the magazine issues usually encountered on cartridges like the 6mm BR.

6mm ARC

The 6mm Advanced Rifle Cartridge (ARC) is an intermediate rifle cartridge that Hornady launched in 2020. The caliber was designed for the AR-15 platform to offer militaries, law enforcement, and civilians a low-recoil caliber that maintains high accuracy and...

6.8 WESTERN

Released in 2021, the 6.8 Western is a collaboration between Browning and Winchester designed to provide outstanding long-range performance out of a .277 caliber cartridge. It is based on a shortened 270 WSM case, and it allows for longer and heavier bullets with...

9mm KNALL

The 9mm P.A.K. (Pistole Automatik Knall, "automatic blank pistol") is a non-lethal cartridge According to Wikipedia the 9mm Knall can be used for various different purposes depending on the legislation, these include military training, cinema props, self-defence...

35 GRENAILLE

The .35 Grenaille was made in the early 90’s by Fiocchi for the French market.The first specimen without headstamp is a “Top” brand manufactured by Eurocomm in Brescia, Italy. The “BX” marking is the C.I.P. proof house code assigned exclusively to this...

356 GNR

The 356 GNR was developed by Gary Reeder Custom Guns from Flagstaff, AZ. It is based on the 41 Magnum case necked down to 357. It duplicates the power and speed of the old 357/44 Bains & Davis from the early 70's, except in a revolver it works perfectly, whereas...

357 AUTO MAG

The 357 Auto Mag is based on the 44 Auto Mag necked down to .357. The basis for this was the 308 Winchester case shortened to 1.298 inch. The 357 Auto Mag was announced in 1973, about three years after the launch of the original 44 Auto Mag but, as opposed to the 44...

357 HERRETT

The 357 Herrett was a collaboration between Bob Milek and Steve Herrett and was one of a series of cartridges they developed. The 30 Herrett was launched in 1972 and the 357 followed not long after that in 1975 in the Thompson/Center Contender pistol. It is based on...

357 MAGNUM

The early 1930’s was a time of trouble and turmoil in the US. America was in the middle of the Great Depression and Prohibition was still in effect and with it came the inevitable gangster. Police at that stage were still armed with the 38 Special and it was a common...

357 REM MAXIMUM

The 357 Maximum was developed in 1983 by Elgin Gates and originally called the .357 Super Mag. It was during the period where metallic silhouette shooting was in its heyday and shooters needed a revolvers that could take care of those steel rams at 200 meters. The 357...

357/44 BOBCAT

This was a 44 Magnum case necked down to .357, and one of several different variations of the same idea. From various discussion forums, the Bobcat was developed sometime during the mid-80’s by gunsmith Bob Booth. One of the main problems with bottle-necked cartridges...

357 SIG

The 357 SIG was developed in 1994 in a collaboration between SIG-SAUER and Federal. As was the case with the development of the 40 S&W, references were still made to the 1986 Miami shootout and under gunned Federal agents and 9mmP loads being under powered. The...

36 COLT THUER

At the end of the American Civil War, one thing became clear in the world of handguns. The era of the percussion revolver was over, and the era of the self-contained metallic cartridge had arrived. Except for the folks at Smith & Wesson, that posed a problem for...

36/38 SMITH & WESSON

This was an early design, probably dating from around 1881. During 1874, Smith & Wesson started to discontinue manufacture of the No.1 and 1½ rimfire revolver in preparation for the new center-fire versions. Page 314 of Charles Suydam’s work on U.S. Cartridges and...

360 DAN WESSON

The idea of the 360 Wesson dates from around 1999 during the IHMSA International Tournament at Ft. Stockton, TX. According to the Los Angeles Silhouette Club website, (that currently seems down), the discussion was between Bob Serva, then president of Wesson Arms and...

360 SHORT CF

This is the shortened version of the .360 Long Centerfire revolver, a British design in all probability for cheap pocket revolvers. Listed in the 1882 Kynoch catalogue but did not survive long after. (Erlmeier, Brandt Ref. 351)

375 FORSBERG

The 375 Forsberg was developed during the latter part of 1983 by Pacific International Service Company gunsmith Lee Forsberg, out of Janesville CA. It was based on the .308 Win case cut down to 1.563 inches and was part of several necked up or down variations on the...

375 JURRAS

One of a series of cartridges designed by the Late Lee Jurras, one of the greats in handgun hunting. He was very interested in the exploits of the old hunters with their Howdah pistols and in the early 1970’s brought out his own versions chambered in 6 different...

9mm BROWNING SHORT – 380 AUTO

HISTORY  (Erlmeier, Brandt Ref. 115).The first specimen is Egyptian from Shoubra Arsenal. It was designated as the M34 from the Italian designation. The numbers at the 4 o’clock position is 27, from Factory 27. The numbers at the 7 o’clock position is for the year...

375 SUPER MAG

The 375 Super Magnum was developed by Elgin Gates, one of the pioneers and promoters of contemporary handgun metallic silhouette shooting. It was based on the 375 Winchester case cut down to 1.610”.