Firearm Forums - Arms Locker banner
1 - 2 of 2 Posts

· Banned
9,121 Posts
The "E" stands for "evacuated", in other

words, the stresses in it have been relieved, by sophisticated heat treatment processes. Actually, I have no clue, have never heard of such a barrel for the AR.
1 - 2 of 2 Posts
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.