If you want suppressed on an AR platform, build a 300blk. Then you have a suppressor for .30 cal which will also moderate to some extent everything smaller. If you only need ear safe, stick with a 5.56. If you want to adjust burn rates to reduce muzzle flash on SBRs, get one of the computer reloading programs to use ICW up-to-date manuals. I have used Quickload ( http://www.accurateshooter.com/gear-...ckload-review/) and found it to be well worth the learning curve. I intend to pick up a current copy next week. Course these are my opinions and worth exactly what you're paying for them.
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A nation can survive its fools, and even the ambitious. But it cannot survive treason from within. An enemy at the gates is less formidable, for he is known and carries his banner openly. But the traitor moves amongst those within the gate freely, his sly whispers rustling through all the alleys, heard in the very halls of government itself. For the traitor appears not a traitor; he speaks in accents familiar to his victims, and he wears their face and their arguments, he appeals to the baseness that lies deep in the hearts of all men. He rots the soul of a nation, he works secretly and unknown in the night to undermine the pillars of the city, he infects the body politic so that it can no longer resist. A murderer is less to fear.
~ Marcus Tullius Cicero (42B.C)
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