Apparently, Charles, you either did not take or did not pass your favorite English 101 class you keep bringing up.
You were not called a name, other than your own, in the post you copied. P_102

"...sometimes you just troll."

Saying that someone does something is not calling them a name. P_102

That was listed as being part of the reasoning behind using large caliber, heavy for caliber bullets for sub-sonic sniper rifle rounds. They would have a rainbow trajectory of course, but they would also reach out farther and still retain plenty of killing power.

The advantage in a sub-sonic sniper round should be obvious to just about anybody.

The "Long Range" being discussed is a relative long range for a subsonic rifle projectile, as compared to the short-range performance one traditionally sees in sub-sonic pistols. The advantage in longer range for any sniping application should be obvious to anybody.

One would think so, at least - but expecting everyone to apprehend the obvious is a sure road to disappointment.

The history of sub-sonic rifle cartridge development for sniping applications is well-documented. - And it doesn't take a nuclear physicist to work out why silence, the longest ranges possible and the good terminal performance would be advantageous for snipers.

When a firearm type becomes very popular, as the AR15 has, it should come as no surprise that hokey marketing devices will tend to surface, as entrepreneurs strive to get their share of profits from the feeding frenzy. Thus we hear a lot of misinformation about the 300 Blackout shooting varmint bullets being "just as good" as a 30-30 shooting much heavier game bullets.

BS is BS, and I call it when I see it as a public service. The 300 Blackout in an AR15 makes a nice short-range target round, but is not really optimal for anything else. It is too large in caliber to succeed as a varmint or small game round, and doesn't have enough case capacity to launch heavier projectiles at reliably effective velocities for general game hunting. It can do a fair job on pigs, small deer and such at short range with 30 caliber varmint bullets- but anybody with a lever-action rifle in 30-30 will be much better equipped.

That's just how it is, when we set marketing hype aside and give the 300 blackout a BS-free, objective appraisal.

If somebody gets all butt-hurt over objective reality then that is their problem, not mine.

You must not be married or have ever had a girlfriend lol

So a subsonic heavy for caliber bullet is always intended to be used to "snipe"?

It sure isn't intended for hunting game, so...

His theory is that if somebody says he kisses butt, then they are not calling him a butt-kisser.

He should try that on some of his buddies and see they salute when it goes up the flag-pole.

The original application theory for subsonic projectiles was to go with a larger caliber. The larger and heavier the bullet, it was reasoned, the better it would carry over a distance, and the better effect there would be on the target when it got there.

.458 caliber and .50 caliber bullets were loaded into smaller, shorter than usual cases that would efficiently and fairly quietly launch long, heavy for caliber bullets that were not expected to expand at all. - Just punch a big hole fairly deeply with their inertia.

Long, heavy home-brew bullets turned from bronze were popular in the early "whisper" cartridges.

300 Blackout was and is a bastardization of the original concept - developed for the AR15 platform. Something to "play sniper" with, for the unwashed masses.
To fit the original concept, the 300 Blackout would be chambered in a single-shot or bolt gun with a long throat, and loaded with 30 caliber bullets of 180 grains weight or better. - Not the lightest bullets that one can find for 30 caliber, so that it will fit into an AR15.

The proper AR platform for the 300 Blackout would be the AR10, which would allow the use of the heaviest bullets made in 30 caliber. Even so, the largest caliber that would fit the AR10 action with its heaviest bullets would be better. - .338 or .358 caliber perhaps?

With the heavier bullets at subsonic speed the energy level goes up, penetration is better, the rainbow-like trajectory will stretch out a bit farther and still be a good killer.

At no point were the blackout or whisper rounds ever intended to be used for hunting game. They are sniper rounds only.

"Play sniper" AR15 owners load them up with the lightest 30 caliber bullets so they will fit the AR15 action, and tell themselves that it is "just as good as a 30-30" when it obviously is not.