Unfortunately not. I can try to find it again later. I know it was before July. But I didn't see it on his live page anymore.
Depends on what you mean by "accuracy." Shorter barrels need heavier projectiles to fight against wind at distance due to the lower velocity. You also really need to know what your holdovers are going to be due to the lower velocity. As for lethality, it depends on the projectile type, among other variables. 55gr FMJ really needs velocity to fragment, but there are a variety of bullets on the market that will fragment reliably at relatively low velocities, even down to 1800fps, which can get you out to 250 yards out of an 11.5". Of course there's also the tumble/yaw factor for wounding for certain bullets.
Franky i don't understand why you'd have such a shorty 5.56 nowadays when you can use the same barrel length and mags for 300blk and get full powder burn and energy potential. And it suppresses far better. At those lower velocities 5.56 won't fragment much if at all, may as well throw a bigger boolet that will reliably expand. I'm talking like 10-12 inch barrel lengths. You're starting to really compromise what makes 5.56/.223 so lethal. Not that it's non lethal suddenly, but it's definitely suboptimal. Plus the increased parts wear on Mk18 length builds. Which aren't as common anymore tbf.
I don't understand the argument people make about defense loads being more expensive for .300. It's the same with every defense load, you're supposed to use training ammo to train. Yeah it might be more expensive but you shouldn't be using the fancy stuff year round, just like every other caliber.
I've seen people just fine with a BCM 300 upper with subs and supers and suppressed. How are the BRN 180s? The new ones are apparently even better and it's adjustable gas 300blk for yeah $1200 for an upper but they do go on sale. 1/6 twist. The gen 3s are brand new so still pricey. Four settings for the 300 Blackout.
I basically agree. If I build a .300 BLK upper, I'd like it to comfortably cycle both subs and supers, but honestly at the end of the day, it would really be meant to be used solely as a suppressed subsonic home defense gun.
No clue. Never shot one, haven't looked into them.
Because I have tens of thousands of rounds of 5.56 and don't want to fuck with .300blk. I also have a lot of 55gr soft point 5.56 that expands just fine out of a 10.5.
One of the ones that still expands down at 1800-1900fps, if you can get it going at least that fast at 500 yards. Might require some handloading experimentation and testing on gel at 500 yards for someone that dedicated if none of the current cartridges chrono well enough out of a 20" barrel.
They are the same cartridge, one of them is fired from an AK and one from an AR-15.
Except my wife or kid can't load one of my VZ58 mags into my AR and cause a KB.
"Hmm, yes. I would like an expensive round based entirely around the gimmick of a suppressor I will never buy instead of a cheap round that outperforms it."
7.62x39? Cheap?
The entire point of those two rounds in a practical sense is shooting it from a suppressed gun. .300BLK is obviously the choice for an AR platform, which is the superior choice anyway. The only reason to shoot 7.62x39 is if you like shooting vintage AKs or SKS rifles. Other than that, it's obsolete. We found out 50-60 years ago that a .22 caliber round is ideal for an assault rifle. There is a reason that there are basically only third world nigger countries still using that round as their main cartridge (and us in Finland lol, but we are going to replace it soon with 5.56).
Just two more weeks until PSA scales up production, and Russian calibers will be cheap again!
