Choose a can first, then get the apropriate md.
A good gunsmith can unpin and remove a muzzle device, but there is a chance they will destroy the md or barrel tho.
JonM's right the Surefire mb56k is one of the best md's I've even used. Surefire cans are expensive tho.
Assumption is the mother of all ****ups.
Know what you know, Know what you don't know. -Paul Pedzolt
"Jack of all trades, master of none, though oftentimes better than master of one" -Mynshul