I have always sent my guns USPS priority. Probably at least 50 over the years. Never had an issue.

Ever

Eventually all shippers are going to get out of the gun and ammo business.

Plan accordingly.

"You cannot invade mainland America. There would be a rifle behind every blade of grass"
~Admiral Yamamoto~

When the people fear their government, there is tyranny; when the government fears the people, there is liberty. ~Thomas Jefferson~