395 TATANKA

The 395 Tatanka was developed by Ronald A. Berry M.D with barrels made by McGowan. Ron has developed about 2 dozen different wildcats, but only two have been loaded as proprietary loadings, namely this one and the 500 Mbogo. It is based on the 416 Rigby case with...

28-30-120 STEVENS

The 28-30-120 was designed by Charles H. Herrick for the Stevens Company around 1900 in answer to a demand for a cartridge a little more powerful than the .25-caliber cartridges, but not quite as large as the .32-40, so that it could be used satisfactorily for deer,...

277 WOLVERINE

The 277 was developed by Mad Dog Shooting Systems and is based on the 5.56 NATO case necked up to 6.8mm. Any existing AR platform can be used with just a barrel change. The 277 Wolverine is basically a hybrid cartridge between the 5.56 NATO, 6.8mm SPC, 300 Blackout...

277 SIG FURY

For a time now the US Army has been searching for a Next Generation Squad Weapon System and during 2018 it supplied the specifications of what type of system they were looking for and invited the firearms industry to come up with the designs for a Squad Infantry Rifle...

270 NEWTON

   The 270 Newton caliber is most probably not one of Charles Newtons inventions. It would seem that it came along much later than the original 30, 35, 40 and famous 256 (6.5-06) Newton calibers. This case is by Speer, but apparently Western also made it....