It is a wildcat rifle using reformed or fireformed .300 weatherby brass. It is capable of shooting a 180 grain ballistic tip, 30 caliber bullet at 3350 feet per second. I believe it designed by Bob Hart.
We need more information to get you a good answer. It will depend on the exact cartridge. .308, 30-06, and 30-30 are ALL 30 caliber rifles- but different cartridges entirely.
Any rifle that shoots a 30-30 bullet.
Pro Hart was born on May 30, 1928.
Pro Hart was born on May 30, 1928.
Richie Hart was born on 1978-03-30.
Roy Hart was born on 1926-10-30.
John Hart - soldier - died on 1777-10-30.
Without knowing your intended use, there is no way to answer.
Hart to Hart - 1979 Hart Line and Sinker 3-20 was released on: USA: 30 March 1982 Netherlands: 23 June 1984
you would date it by the serial number on the rifle.
Joe Hart is 30 years old (birthdate: April 19, 1987).
Florence Hart died on March 30, 1960, in Germantown, Pennsylvania, USA.