federal fusion msr .224 valkyrie 90 grain. this particular cartridges is interesting in the fact that it was originally supposed to be 100 grains however it had stability problems in 1:7 twist barrels, hence the change to a 90 grain bullet. recently there has been a trend towards 1:6.5 twist barrels that may be able to stabilize the 100 grain bullets, leading to some speculation that they may return to production. its velocity is 2700 ft./s and a g1 bc of .424. this particular cartridge is meant for hunting medium game such as white-tail and black-tail deer, prong-horn antelope, and feral hogs.