The new 300 AAC Blackout round developed by Advanced Armament Corporation, was intended to do everything the 5.56 could and do it better. AAC developed this round with the thought of our troops on the field, they this new round to accomplish everything that the soldiers were complaining about the 5.56. With a plus added, the round can be fired with a suppressor attached to the firearm and function properly. There are people that believe our troops should be using a .30 cal round since its a heavier round which means it will hold more energy and be able to penetrate barriers better than the .224 caliber round that is the 5.56. The 300 Blackout round being new means that it would be more difficult for people to get a holed of it at this time, and the prices would be very expensive. But the benefit of the 300 Blackout is that it uses the same brass as the 5.56. There are many tutorials on how to reload this round and its simpler than you could think. When comparing the 300 to the 7.62x39 round used in the very common ak47 or in sks rifles, the 300 Blackout out performs greater than the 7.62x39 by about 5%. What this means is that it hold it's energy for a much greater distance and when fired out of the M16/M4/AR15, it's just a great combination with accuracy and stopping power. There is still a lot of testing to be done on this round but it is truly showing great promise. On another aspect to change your rifle from the 5.56 to the new 300 Blackout is as simple as just changing the barrel.
Bullet weights range from 122 -220 grain bullets.
122 grain fired through a 16 inch barrel:
Velocity - 2500 fps
muzzle energy - 1350 ft-lbf
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