450 Bushmaster, 458 SOCOM, and 50 Beowulf. Big boy AR hunting cartridges Now all this powder created a design problem for manufacturers. Suddenly they had the ability to stuff agreat deal of firepower into a cartridge, but the metal of the cartridge was not strong enough to contain this pow...
450 Bushmaster vs 458 SOCOM vs 50 Beowulf: Battle of the Big Bore AR Cartridges Around the same time, leaders in the military started to look for a new cartridge that could reliably shoot .30 caliber bullets from an M-16 or M-4 rifle while still using a standard bolt and gas system....