Developed by Frank C. Barnes of COTW fame in March 1961 and based on the 308 Win case shortened to 1.5"
308 REMINGTON EXPERIMENTAL
308 MARLIN EXPRESS
The 308 Marlin Express was developed as a joint venture between Marlin and Hornady for the Marlin 336 Lever action rifle and is shorter than the 308 Winchester cartridge but closely resembles 308 ballistics in a lever action gun
308 COR-BON MAGNUM
This cartridge was announced at the 1999 Shot Show but apparently never went further than that. It has the same larger diameter type case as the WSM/Lazzeroni and Rem SUAM.
308 BARNES-JOHNSON EXPRESS
Part of the Barnes-Johnson range of cartridges and balistically close to the 308 Norma Magnum.
308 BARNES SUPREME
Cartridge based on the 300 H& H Magnum case, but otherwise very limited info available.
308 BAER
This is one in a range of cartridges developed by Bruce Baer of Baer Custom Rifles from Willow Hill, PA.
307 WINCHESTER
The 307 Winchester was launched in 1982 for the Model 94AE (Angle Eject) lever action carbine. This was an ingenious design as fired cases were ejected from the right and it allowed the scope to be mounted directly above the action. Except for the rim, the dimensions...
303 SAVAGE
This was the first of four cartridges that were offered by Savage and dates from around 1895 and was chambered in the M1895 lever action rifle. It appeared at around the same time as the 30-30 Winchester, also launched in 1895. This is a Factory engraved M1895 Deluxe...
301 SAVAGE
303 PYGMY
303 EPPS
303 ASKINS BOURKE EXPRESS
302 WHISPER
300 WINCHESTER SHORT MAGNUM
300 WINCHESTER MAGNUM
PROOF Case looks like a darkened copper cladding. Might be a PROOF LOAD ...
585 AMERICAN HUNTING RIFLE (BELTED VERSION)
The .585 AHR was designed by Ed Plummer and Wayne Jacobson of American Hunting Rifles, Inc during the late 1990s
585 AMERICAN HUNTING RIFLE (REBATED RIM)
585 AFRICAN EXPRESS
Designed around 2000 by South African Professional Hunter Brad Ralston, it provides hunters with a rifle that has enough stopping power for anything that Africa has to offer. It is ballistically similar to the 585 Nyati that was developed about 10 years earlier but...
58 DANGERFIELD & LEFEVER
577 TYRANNOSAUR
550 MAGNUM
Developed by Neal Shirley from custombrassandbullets.com- Yuma, AZ. You can find more info HERE
550 EXPRESS
54 U.S MODEL 1841 “MISSISSIPI” RIFLE
54 PAPERCASE
530 WOODLEIGH MAGNUM
505 – 530 WOODLEIGH
52–70 SHARPS 1¾”
300 WEATHERBY MAGNUM
Speer
300 SAVAGE
300 RUGER COMPACT MAGNUM
300 REMINGTON ULTRA MAG
The .300 Remington Ultra Magnum made its debut in 1999, followed by the 7mm Remington Ultra Magnum and in 2002 the .338 & .375 Remington Ultra Magnum were introduced. The Remington Ultra Magnums, joined an increasingly popular trend toward beltless,...
300 REMINGTON SHORT ACTION ULTRA MAG
300 PRC
The 300 PRC was developed by Joe Thielen, who was the assistant director of engineering at Hornady when the 375 Ruger was launched in 2007. It is based on the 375 Ruger necked down with the shoulder moved slightly back and was originally called the 30-375 Ruger. The...
300 PHOENIX
The 300 Phoenix is a proprietary cartridge developed by G. McMillan & Co. of Phoenix, Arizona, USA, in 1991. This cartridge is based on the 416 Rigby case necked down to 308 caliber.
300 PFEIFER MAGNUM
300 PEGASUS
The 300 Pegasus was developed during 1994 in an attempt to push .30 cal bullets past 3,500 fps. The head is basically the same as for the 378 Weatherby, but without the belt.
300 OLYMPIC SUPER SHORT MAGNUM
300 JARRETT
8mm Rem Mag case necked to .30 cal with a 35° shoulder. You can have a look at the website HERE
300 IMPERIAL MAGNUM
In the early 1980s Aubrey White and Noburo Uno of North American Shooting Systems (NASS) based in British Columbia Canada began experimenting with the full length .404 Jeffery by reducing the taper and necking it down to various calibers such...
300 ICL GRIZZLY
510 WHISPER
Developed by SSK Industries, the .510 Whisper is a subsonic cartridge based on the 338 Lapua cut down to 1,875 inches.
510 WELLS EXPRESS
510 SNIPE-TAC
Based on the 505 Gibbs case, the idea is to have a very hard hitting .50cal that can be used with subsonic loads.
510 BEECHER MAGNUM
510 BEECHER EXPRESS
510 AFRICA IMPERIAL MAGNUM
505-460 KEMP
Developed by Stan Kemp ca 2005 and based on the 460 Weatherby case cut off at the shoulder and opened to .505"
505/404 RIMLESS