Originally posted by IceTrayDaGang
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Its a .223/5.56 case with a .30 caliber bullet
All you need is a .300 barrel change
Magazines, bolts, etc. all the same
.300 blackout ballistically is similar to 7.62x39mm of AK/SKS but can be fired it 5.56 AR
.300 blackout advantages over 5.56 is heavier, larger bullet (but slower and not flat trajectory)
.300 blackout performs better from short barrels
5.56 has longer range and more velocity and flatter trajectory but losses those advantages with shorter barrels
.300 blackout is also better with suppressors since you can load heavy subsonic bullets
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