Thanks for the advice on what I will call "pre-crushing" on the crush washer when faced with say, more than a few degrees to reach top dead center.
I am often asked about crush washers with our (KAC) QD Compensators, but don't have an answer because we have never tested them against our 7-Piece Shim Set/Rocksett combo that is packaged with our sound suppressors.
I like the "pre-crushing" concept, except I think I will will do this on a "slave barrel/muzzle" so as not to place any of this potential undo stress on the barrel I am actually going to install the crush washer on.
(CB is David A. Lutz, Lt. Col. USMC (Ret'd) (1968-1991)
VP MilOps @ Knight's Armament Company (KAC) (1994-2012)
"...if you can read this, thank a Teacher,
if you are reading this in English, thank a Veteran..."