Quote Originally Posted by Rick View Post
It absorbs the shock of the slide coming back and transferring to the rear sight. Just a little thing but I think it's a good idea. Also, keep an eye on the front sight those came loose. If it does loosen up clean up the slot with degreaser and glue with red locktite.

Just noticed your pistol was made in 1973 those had very good quality control.
That's makes sense. As always thanks for the heads up and advise. I have stuff ordered, should all be their when we get back from vacation. The plan is hopefully to address any known issues then have some fun with it.