The 300 AAC Blackout and 308 Winchester are both 30-caliber rifle cartridges that shoot a .308” diameter bullet. However, this is where the similarities end as both cartridges have a different intended purpose.
In this caliber comparison article, we are going to take a detailed look at both the 300 AAC Blackout and the 308 Winchester. Unlike previous articles, I won’t “crown a winner” because the difference between 308 vs 300 Blackout is comparing apples to oranges.
Instead, we will take a deeper look into what the intended purpose of each rifle cartridge is and how having versatility within a caliber is a good thing for you and the 2A community in general.
I don’t know about you, but I’m ready to rack the charging handle on my AR platform and squeeze the trigger on this comparison between 308 vs 300 Blackout. Let’s close distance and ENGAGE!
As we mentioned earlier, the only similarity between the 308 Winchester and 300 AAC Blackout ammo is that they both shoot the same .308” diameter bullet.
Each rifle cartridge was developed for a specific role and each excels at its intended role.
However, the two rounds could not be more dissimilar, and we will explore the differences below.
The development of 300 AAC Blackout ammo (designated 300 BLK by SAAMI) rifle cartridge began in 2010 when Robert Silvers of the Advanced Armament Corporation (which was later acquired by Remington) was approached by a member of the US Military “dark ops” community.