Let me also add that I have been shooting a Mod 25 in 45 ACP since the early 1970's.
So I do like the full Moon Clip concept, and I use Auto Rim brass a little as well.
My 325 NG has fired 100% of the time with full and 1/2 and 1/3rd moon clips.
It will shoot Remington 230gr Ball and 230 Golden Sabre HP with out clips.
However the other factory loads I have tried will sometimes not fire without the clips. From what I understand most all of the newer S&W 45 ACP,s are not reliable without the clips.
The gun is controlable with 230gr standard and 185 +P.