Thinking of a little sub sonic hog and deer hunting. Opinions on 308 vs 300 blk out. Thanks is advance.

If it’s strictly for subs, 300 is going to be easier to find the rounds for.
I’ve seen mixed performance on 300blk subs.

I’ve been using a 350 legend with subs and have had great luck up to 50yds. I’d recommend that over the 300blk.

Hornady has a 395 grain subsonic load for the 450 Bushmaster. If I was going to hunt big game with a subsonic round, it would have a big bullet.

A suppressed blackout will be my next AR pewpew

I’m partial to the 300BO, lots of options.

Not to derail, but how far out can y’all shoot the sub 300blk? I’d like to have a gun to shoot yotes with sub, but need about 175-200 yards out of it. Is that possible?

30in of drop @ 200yds with 220gr Subs and 100yd zero.

I wouldn’t with a sub.
I’d do 60yds max for deer and might stretch that out to 75yds for a yote. You can theoretically shoot them past that, but you’re essentially just lobbing and hoping past that. Any chance of bullet expansion seems to rapidly diminish as well.
I wouldn’t hunt with subs unless you had to (such as hunting closer to houses and stuff)

Anyone used the 8.6 blackout with subsonic

We have shot deer at 100 and sighted in at 100 with 300blk sub and it does great. I would not shoot one over 150 with it though. I would vote 308 anyday

I use a 308 165 tipped core lokts for hogs . They are tougher than people think . The little ones will drop pretty easy but the big ones can take a pretty hard hit . They are pretty nervous at our club and any noise and they move on . It’s always better to have more and not need it than wish you had the bigger gun . I do use a 350 legend also but only because 556 wouldn’t do the job and it does do a decent job . Good luck on your choices .

My neighbor has a .308 with a can , it sounds like a 22 magnum. I'd go with a .308, you could always load reduced loads for it.

Thanks for the input. Leaning on 308 sub and suppressed. Write ups suggest 300 blk out is more accurate but only good out to 150 yds which seems plenty but when talking with people who actually use them they stay less than 100 yds. 308 harder to find but can load if I need to.

My son has the 300bo and loves it. Myself I don’t care much for it. Don’t get me wrong it will flat get the job done deer, coyote and hogs. He swears by it. Don’t think he has done anything outside of 100 yards at all. Most have been 75 yards and in.

Got a buddy that does. It’s a bad little set up

300 Black does nothing that a subsonic 308 won't do, and only a fraction of what a supersonic 308 can do.

If I was looking at a dedicated subsonic rifle, I would look no further than a .375 Raptor. Objectively compare the ballistics of the 375 vs 8.6 blk or 300 blk, and you won't choose anything besides the .375 Raptor. I am currently trying to convince my OCD that it doesn't need a 375 Raptor, especially since I own multiple suppressors.

270 grain supersonics hit 2130 FPS, and 400 grain subs hit 1050 FPS. Would be awesome for a woods/treestand rifle. Realistically, that's faster than a .35 Remington 200 grain supersonic round, with a 35% heavier bullet.

Yes, I am a new caliber addict, with no desire to reform or rehab.

I have a few suppressors but I just don’t understand the desire to deer hunt with subsonics. Range is extremely limited and terminal performance ranges from mediocre to terrible.

3 examples from the past week shooting supersonic rounds unsuppressed.

1- shot a coyote with a deer a feeder 150 yards away. Deer never raised its head to even look in my direction.

2- shot a coyote with a buck bedded 100 yards from me. Buck didn’t even get up.

3- shot a deer with 3 other deer feeding within 100 yards, they didn’t even pick their heads up at the shot.

Sure I love banging steel with a suppressed 22 but when I go hunting I want to kill things in the most efficient manner at whatever distance they appear.

If they are both subsonic, why ? Burning more powder to do the same work.

300 bo is more accurate than a 308? Is that just in AR style rifles ? A 308 is one of the most inheretently accurate calibers there is.

I don’t see how either of these can be objectively true. And the statement is a bit confusing.
For starters, .300blk and .308Win/7.62x51 shoot the exact same bullets. They are both .308cal. The cartridges are optimized for different weapon designs and the 300blk is more niche, excelling in a short barreled AR platform, for example, while the .308win is optimized for a 18-20”+ rifle. But when you handicap your weapon to subsonic use then difference in ballistics is nullified. You won’t realize a performance edge pushing a 200gr .308 bullet at 1040fps out of an 18” .308win over pushing the same 200gr .308 at 1040fps out of a 9” .300blk barrel.