300 AAC BLK vs 6.5

Pretty maids all in a row. All effective & proven rounds. Only one can be manufactured from common household items (depending on who’s house you are at). From left to right: .223/5.56, 300 BLK, 6.5, 6.8 compare case length /COL (combined overall length) to diameter & size of projectile. Photo Credit: Stuntgunner Photography