And I looked, and behold a pale horse: and his name that sat on him was Death, and Hell followed with him. And power was given unto them over the fourth part of the earth, to kill with sword, and with hunger, and with death, and with the beasts of the earth.
High Standard manufacturing in Houston makes them. Upper, mag block and a very heavy buffer are all that is needed. The standard carbine buffer is 3 oz. I run a 6 oz 9mm buffer in mine. Midwayusa generally stocks them.
In life, strive to take the high road....It offers a better field of fire.
"Robo is right" Fuzzball