300 HAM’R
The 300 Ham’r was developed by Bill Wilson from Wilson Tactical to provide a cartridge that could work through a standard AR15 but with the terminal performance of the 30-30 Winchester. The original design for this cartridge was also called the 30-30AR with the case...
300 GONZO II
300 DAKOTA
300 CARIBOU
300 CANADIAN MAGNUM
300 BLACKOUT
505 EMPIRE
505 BARNES SUPREME
500 WHISPER SHORT
500 WHISPER
500 WEATHERBY MAGNUM
500 MDM ULTRA
500 MBOGO
The 500 Mbogo was developed by Ronald A. Berry M.D. Ron has developed about 2 dozen different wildcats, but only two have been loaded as proprietary loadings, namely this one and the 395 Tatanka.
500 JIRI VOLOCH
Replica cartridge and based on a shortened 50-70 case
500 HEAVY EXPRESS MAGNUM
- info to follow -
500 CYRUS
The 500 Cyrus was developed by wildcatter Michael Cyrus of Cross Outdoors, Prichard, WV. The idea was to provide a big-bore rifle with a shortened action of less than 3 inches that would be capapble of giving 470 Nitro type stopping power, as well as to take advantage...
300 AMERICAN
The 300 American is dimensionally like the .30 Remington AR that was introduced by Remington and others in 2008. It has the slight rebated rim to fit the AR bolt face. It is not known if the name would have been confusing as there already existed a 30 American, which...
300 ACKLEY MAGNUM IMPROVED 40°
Based on the 300 Weatherby Magnum
300 ACKLEY MAGNUM 30°
One of a series of 300 Ackley cartridges with different neck angles
500 AUTO MAX
The 500 Auto Max was developed by Big Horn Armory in Cody, WY as a rimless version of the 500 S&W Magnum and was designed for an AR-500 platform. Big Horn...
30-80 WINCHESTER EXPERIMENTAL
Picture of the box from IAA Forum
30-40 WESSON
30-40 KRAG IMPROVED
The 30-40 Krag Improved was developed with the object of attaining approximately 308 Win/30-06 level velocities in small actions like the Marlin Model 97D rifle and T/C Contender.
30-378 WOLFE
The .30-.378 Wolfe was designed and developed by Howard Wolfe for long range bench rest shooting, but with the case length shortened to 2.6in.
30-378 WEATHERBY MAGNUM
30-378 ULTRA
I am still looking for information about this cartridge. The case is still unformed and looks like a 378 Weatherby case. This might be the same as the 30-378 Weatherby.
30-375 MAGNUM
30-338 WINCHESTER MAGNUM
30-284 WINCHESTER
This is one of various versions of the 284 Win case that was necked up to .30 cal.
30-30 WINCHESTER
ANTLERED GAME JOHN WAYNE COMMEMORATIVE OLIVER F. WINCHESTER PROOF WELLS FARGO
30-30 WESSON
30-221 REMINGTON
This is one of several versions of a .30cal that was fitted into a 221 Remington Fireball case. It is basically a different version of the 300 Whisper that was invented by JD Jones of SSK industries for an AR-15 type platform. The headstamps shown are by Quality...
30-06 JDJ
30-06 CCC
Originally designed by Ralph Waldo Miller in the early 1940’s. His radical design had a single radius transition from shoulder to neck. The first cartridges of his design bore the name of M.V.F. (Miller Venturied Freebore). Later on, he teamed up with E....
30-06 ACKLEY IMPROVED
30 WARE WOLF
HBR (Hunter Bench Rest) class cartridge named for gunsmith Stan Ware, it is basically a 308 Winchester case shortened .165", retaining the 20-degree shoulder angle but with the neck shortened .025" resulting in a C/L of 1.830". It is very similar in appearance to the...
30 T/C
500 A-SQUARE
The A-Square series of cartridges was designed in 1974 by Col. Arthur Alphin after a hunting incident with Cape buffalo using the .458 Winchester Magnum. He first designed the .500 A-Square to provide maximum stopping power. In order to gain more powder capacity and...
500 AMERICAN HUNTING RIFLE
500 ACCURATE RELOADING
The 500 Accurate Reloading was developed by Jeff 'Jeffeosso' Smith of http://accuratereloading.com/. This is a shortened and improved .416 Rigby, necked to .510"
50 US CARBINE
50 THUMPER
The 50 Thumper was the first of a new line of cartridges by Subsonic Hunter in Winter Park, Florida designed for hog hunting.
50 TALBOT
Developed by Skip Talbot and based on a .50 Spotter case. It is not mentioned if this was the cartridge that Skip used to set a new World record at 1,000 yards with a 2,600” grouping. ...
50 TACTICAL
The 50 TAC was developed in response to customer requests for a version of the 500 Cyrus that would accept .510” diameter bullets usually intended for the 50 BMG
50 RAZORBACK
The 50 Razorback was developed by Delta Company Arms and is based on the 300 Remington Ultra Mag case that was cut back to 2.375 inches and loaded with a .510 cal. bullet.
50 PEACEKEEPER
50 McMURDO
Many 50-caliber competitors consider the case volume of the original BMG cartridge to be more than adequate for 1000 yard shooting and they seek improvements in the form of more precision rather than added velocity. Taking a page from the small caliber...
50 FISHER
- info to follow -
50 FISHER SUPER SHORT
- info to follow -