The 8 rounder that came with my SR1911 had problems
It is a known problem with the 8 rounders
Ruger replaced it
I never used it and gave it away
I don't like the looks with the 8 round mag
No problems at all with my 7 rounders
FMJ 244 rds and various HPs (Federal Hi Shok--Federal HST--Speer...
Buffalo Brothers makes Epoxy imitation SAA Stag grips that can be fitted to the new Vaquero
I did several for my vaqueros
They can be seen here
http://www.bandb3536.com/firearms/nvgrips.htm