Thread: What happens when a 50 cal rifle blows up.

Originally Posted by Tentman

Nothing wrong with a "screw in lid" as millions of AR's in various sizes are evidence that a screw on barrel extension just plain works. There are many other examples of this approach and if one was to calculate the "locking area" of any thread compared with a normal bolt action you'd be surprised.

With respect, AR barrel extensions are not repeatedly done up and undone. They are also shouldered in front of the upper so they are really no comparison to this pipe bomb design.