Based on the Remington Ultra Mag case, that was shortened and necked up to .416 for standard length actions

   The 416 JDJ was developed by SSK Industries and is based on the 444 Marlin case. It is one of the cartridges that SSK uses in the Thompson Contender.

The .416 Hushpuppy is a proprietary cartridge offered with a AR upper by AM-TAC Precision and was announced at the 2014 SHOT show. The 416 Hushpuppy is claimed to have a maximum point blank range to 200yds on a man sized targets and creates a wound channel larger than...

   The 416 Howell is a shortened 404 Jeffery case, necked to 416 and with a little more shoulder. Powder capacity runs around 80 to 85 grains with a 400 grain bullet, and performance is a tad above the 416 Remington.

     Made for Butch Searcy, a US gun writer for a Ruger No.1 rifle

   Based on the 300 Winchester Short Magnum case and developed by Daryl Lenkic. The idea was to have a short action magnum type cartridge with enough stopping power for African game. This cartridge is almost identical to the 416 WSM cartridge.

     There is not a lot of info about this cartridge and nothing is mentioned on the WEBSITE, other than seriously good looking guns.      

The 416 Barnes was the last cartridge designed during the late 1980’s by the late Frank Barnes. All the 416 calibers at the time of this design were for African hunting conditions and he felt that there would be a need for a .416 cal. adapted for the American hunter....

     The B&M rifle series was conceived in 2005 by William V. Bruton (The B) and Michael McCourry (The M). You can check out the website HERE

Experimental cartridge developed by Winchester in 1956. Apparently the bullets were hand made by Winchester.   

     Developed in the 1980's by KDF Inc. (Kleinguenther's Distinctive Firearms), a US based company in Seguin TX. They specialise in high end German guns. The 411 KDF is effectively a 338 Win Mag necked up.

   Based on the 404 Jeffery case. Still looking for more info  

     I got this cartridge from JD Jones during his visit to South Africa 1991

   Created by Fred Ziegler of Z-HAT Custom around 2002, this is the longest version of the 30-06 that will function through a standard length action.

- looking for info -   

Developed by Winchester in the 1960’s and registered with SAAMI on 7/1/1965. It utilized a 200 grain jacketed soft point projectile. Was developed for the M1894 Winchester action to enhance the performance of available cartridges. The cartridge was...

Made by the late Ken Stewart for an American client. Based on the 338 Win Mag case necked to .40 cal.   

     Still looking for info on this cartridge

     Most probably some German design, however I have not been able to get any additional info on this one.

The Dakota cartridges were designed by the Late Don Allen (1941- 2003). His designs were based on the formed brass he purchased from Noburo Uno. Noburo Uno and Aubrey White of North American Shooting Systems (NASS), based in British Columbia Canada, began...

ART = Directorate of Artillery, W = Winchester, ECP = Ecole Centrale de Pyrotechnie, Bourges. January 1916    Maurice Megret (France)  

   Old wildcat based on the 458 WIN MAG case necked down

The 400 Warlord were designed by Alaskan ELR shooter Pro Martusheff (aka Swamplord) in 2018. More info here.    

     Designed by Bruce Woods from Cincinnati OH together with the A-Square Co in 1992 and named after John "Pondoro" Taylor, famous hunter. Also known as the 400 ASDPM (Dual purpose Magnum)

     This is a replica loaded by OPM in South Africa

     WRACO VOL. 2 p. 293 This is a semi rimmed cartridge, and used 40-72 WCF or 405 Win brass.

     This is essentially the same as the 400 Pondoro, although there is some confusion. According to ammoguide.com, the ASDPM was introduced in 2006 by the A-Square Company. The name is a good description because it can be loaded with with heavy...

An identical, or very similar cartridge to this, is shown in Robert T. Buttweiler’s auction catalogue (1987) Vol.IV, Number 2, item 111.  The write-up is shown below. “Although this .40 2 " EVERLASTING does not correspond to a known STEVENS round, it shows a...

Target rifle for the Peabody target rifle that was used under licence by the Providence Tool Company which made the 11.43x55R Turkish military rifle. The head of the 3 What Cheer cartridges are also the same as for the Turkish military cartridge. The cartridges were...