At the very least, purchase a thread protector. You would do well to send the barrel off to a smith and pin an A2 birdcage FH on or something better.
Various muzzle devices really do help with follow up shots and even felt recoil. Look into the various options and go with what seems best for you and your wallet. I like the Surefire MB556K on anything 16" and up. I'm looking into newer options for my builds under 16". Good luck and good shooting.
"When the people fear their government there is tyranny; when the government fears the people, there is liberty. The strongest reason for the people to retain the right to keep and bear arms is, as a last resort, to protect themselves against tyranny in government." – Thomas Jefferson
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