this cartridge makes a great deal more sense than the 350 legend in my opinion
especially if your trying to maximize the ar15 hunting potential,
and defensive stopping potential, out to maybe 200 yards and
especially if your limited to a strait wall cartridge in your state for hunting deer/hogs etc,
and you prefer the ar 15 platform. both the 350 and 400 legend cartridge's have a great deal of potential,
but the 350 uses a modified 223 case, the 400 uses a significantly larger 6.8 spc cartridge case
keep in mind easily 80% plus of all game is shot at ranges under 200 yards
sight in at 3.5" high at 100 yards with a 180 grain bullet, and you'll be close to 5" low at 200 yards and still packing 1100-1250 ft lbs,
or more depending on the barrel length and powder used,
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