.308 vs 300 Blackout

[Matt_C]

308 hands down. You can find ammo for it, you can handload subsonic loads for plinking for it and I saw a 300BO used to shoot a pig in the neck at about 60 yards and the ole sow just trotted off with her herd...

[Mike D]

Nothing has walked away after being shot with supersonic ammo from my 300 blackout SBR, but there is no denying that the .308 is much more powerful.


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[catslayer]

Bigger is not always better, but in this case it is.

This... Not saying you CAN'T do it with the black out... but as Jeff Foxworthy said, "Takes a long time to get to England in a row boat"

[Jon B]

.308 by a large margin. Close thread!

[RackstackerG5]

I was debating the same thing and understand why your asking the question. After the research I did I will hands down be using the 308. You won't be disappointed.

[Colorado87]

I agree the 308 is a superior round in for supersonic, but honest question: If I’m shooting subs how is a 308 any different. Assuming the bullet is the same and I load both to be the subsonic, the speed will be the same. Is there something I’m missing?


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[DFWPI]

I’ve killed animals with both rounds. If you were to ask each dead animal which round would they have rather been shot well, well duh, kind of hard because they are dead.

Keep it within the intended effective range and do what you do. Carry on …


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[Mike D]

I was debating the same thing and understand why your asking the question. After the research I did I will hands down be using the 308. You won't be disappointed.

For sub applications the 300 blackout is the better choice due to the limited case capacity.


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[Gunnyart]

Love my .308 and use it exclusively for anything that might need shot past 100, however most of my gun hunting is from my bow blind setups so I carry the little SBR in BLK with Barnes TTX (not subs) for tight confines of my bow blinds.

[JuDGe]

I’ve killed animals with both rounds. If you were to ask each dead animal which round would they have rather been shot well, well duh, kind of hard because they are dead.

Keep it within the intended effective range and do what you do.

True.

[TexasTrophyBowhunter]

Love my .308 and use it exclusively for anything that might need shot past 100, however most of my gun hunting is from my bow blind setups so I carry the little SBR in BLK with Barnes TTX (not subs) for tight confines of my bow blinds.

Most of my shots would be from a bow blind or occasional spot and stalk maybe 100yards


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[Gunnyart]

Most of my shots would be from a bow blind or occasional spot and stalk maybe 100yards


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I run a can on both so the .308 gets long and limits the angles I can take without 10" of gun sticking out the window

[SaltwaterSlick]

I agree the 308 is a superior round in for supersonic, but honest question: If I’m shooting subs how is a 308 any different. Assuming the bullet is the same and I load both to be the subsonic, the speed will be the same. Is there something I’m missing?


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One of the ways subs can retain their effectiveness is by shooting a heavier projectile... With a sub-.308, you can load a heavier projectile and put enough powder behind it to keep the speed up than you can the 300BO. If both are supersonic, there is no comparison for a short-action cartridge. Additionally, there's more doping data on the .308 than just about any cartridge around (except maybe the 5.56, but maybe even more than it).

[Mike D]

One of the ways subs can retain their effectiveness is by shooting a heavier projectile... With a sub-.308, you can load a heavier projectile and put enough powder behind it to keep the speed up than you can the 300BO. If both are supersonic, there is no comparison for a short-action cartridge. Additionally, there's more doping data on the .308 than just about any cartridge around (except maybe the 5.56, but maybe even more than it).

Charlie I’m confused. A 220 grain bullet at 1050 fps makes no difference on the cartridge it’s launched from.

I can easily push a 220 grain bullet faster than supersonic with my 300BO even out of an 8” barrel.

Am I missing something?


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[bullets13]

Have a couple of .308s, never had a problem, and never had anything run very far.