 The 6.5-284 has been used extensively in benchrest competitions and is known as an extremely accurate long range round.Using an improved version of the 6.5-284, Rich DeSimone set a world record with a group.Rich DeSimone's record has been broken by Tom Sarver, who shot a group in 2007 using a .300 Hulk wildcat cartridge that is based on the .338 Lapua Magnum cartridge.