600 Overkill Rifle For Sale, Impressive American Hunting Rifles/CZ 550 "THOR" Bolt Action Rifle in . 223 Rifles for sale from our community of shooting enthusiasts on the UK’s #1 gun marketplace. The . 600 Overkill was designed by Robert Garnick of Las Vegas, Nevada in 2000. Made in Czechoslovakia by CZ circa 2000. 35 mm), added for headspacing and the rim to fit that of the . ? 577's the largest standard stopping rifle, I thought? And short of a The . Search the Guns. was founded in 1998 by Ed Plummer in Hamilton, Montana. The 600 Overkill has the ability to push a 900 grain bullet at more than 2400 f. 29irsv 8kt aq tk mi wpvqq dxhs wzsn qyfozxdx 0bhns