300 Blackout vs 5.56mm NATO: The AR-15 Intermediate Cartridge Rumble

BrianK · October 6, 2021, 2:24pm

I couldn’t believe how loud a crossbow was until I acquired an Excaliber ExoMag. I always thought they’d be quiet but that wasn’t the design goal of the Excaliber people, shaft speed was. Anyway, my neighbor can hear me shooting it 100 yards away. A properly suppressed firearm has the potential to be much quieter, but for that to happen everything has to align.

Ridgewalker · October 6, 2021, 2:46pm

Yep true that. Even a compound bow isn’t silent. My long bow is pretty good. Need to add some Osage Orange and recurve it to finish. Works as is. Just to busy keeping all the balls in the air right now to do it or a load of others.

BrianK · October 6, 2021, 8:28pm

Yeah, what they are is quiet without the tax stamp and being in the registration. But they are slow to reload.

When I demonstrated it for a friend he just shook his head. He’d been practicing for years and I just took it out of the box (basically). It’s so accurate that unless I aim off I can do a Robin Hood where I split the shaft already in the target.

shooterrex · October 6, 2021, 9:01pm

On the 300BO even the 16" barrels need to run pistol length gas to run subs and supers. My 8" 300BO pistol shoots both well as does the 16" rifle. I only get about 100 fps more velocity out of the rifle than the pistol w/supers.

JF89 · October 6, 2021, 9:21pm

No pistol length .308 ARs? Lol

Ridgewalker · October 6, 2021, 9:45pm

the 300BO is ‘308’, but a pistol length AR10 opens up a slew of possibilities…

JF89 · October 6, 2021, 10:10pm

Im referring to .308 win. it’s definitely not the same lol I remember an 11" Fal shooting fireballs but the owner swearing it was the ideal close quarter weapon

.300 blackout is a much better CQ round. .50 Beauwolf is my favorite though.

shooterrex · October 6, 2021, 10:44pm

Yep I have 2 12.5" 308 pistols.

shooterrex · October 6, 2021, 10:46pm

My Beowulf is for cars,bears,ect not CQB.

Ridgewalker · October 7, 2021, 12:38am

So many enticing cartridges…

Have you thought of one of these…

JF89 · October 7, 2021, 12:45am

Never heard of it

JF89 · October 7, 2021, 12:46am

It would work for bears driving cars

Ridgewalker · October 7, 2021, 1:05am

Interesting cartridge. 5,000+ FPE in a Short Action AR or Bolt. Interesting in a lever, no?
458 SOCOM on the Left, 458 WSM on the Right
.

Belt-Fed · October 7, 2021, 2:32am

That would be a thumper there, kinda like them old single cylinder big cc bikes years ago. if you missed the kick, a trip over the bars was in order.lol

BrianK · October 7, 2021, 3:32am

.50 Beowulf is not my idea of a CQB weapon. It’s just too much of everything. Yes, I have one and load for it. It would be great on anything flesh that walks on NA.

For cars one must think to the projectile composition and energy and not the caliber.

rjburk · October 7, 2021, 10:14pm

the 5.56 does just fine on Deer, killed many with it. the 300 also does, the round that I have seen used on game that does better then either is the 25-45 Sharps. I think a very over looked round.

JF89 · October 8, 2021, 2:08am

Yeah lol it’s awesome but probably not practical unless Bigfoot is an issue. I don’t know why but running one of those in a little CQ course was super fun