No. The sling loop rocks out, and the threaded body has a wide slot that takes a straight screwdriver.
The new Pachmayr inserts I bought to modify had ~ 0.001" minor diameter increase and did not want to go in. I put wax on them and they twisted in.
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. -Ernest Hemingway The man who makes no mistakes does not usually make anything.-- Edward John Phelps
