[JamesP81]

Even though it is a crummy rifle, I just could not part with it.

What brands of parts are you using? Not all are created equal.

By seize up, do you mean it jams, or does the bolt carrier actually get stuck in the receiver to where it won't physically move?

[I Buried My Guns]

"...By seize up, do you mean it jams, or does the bolt carrier actually get stuck in the receiver to where it won't physically move?..."

As the gun gets hotter, resistance increases to the point that it does not want to cycle.

When that happens, the brass gets partially ejected (half sticking out) or not ejected at all. This results in many unfired rounds getting dents in them; I must throw those away.

I have gotten a lot of good tips in the last day, and I have a lot to ponder. I think a factor is all the disparate companies I bought from for all the internals, mostly at gun shows.

I DID use the shellacked Wolf brand when I was young and stupid. I have since learned my lesson!