FWIW, here is how I set up my wifes series 70 Colt 9mm Govt mdl.
She has the smallest hands I have ever seen on an adult. Shops
for gloves in the kids section. This gun fits her hands and she
shoots it well.
Flat mainspring housing
Mitchell right side mag release
Low pad safety (Brownell's 340-100-044)
extended slide release
Champion adjustable rear sight to fit the Novak cut
Dawson .100 fiber optic front sight
11 lb recoil spring and a 17 lb mainspring
Tripp research 10 rd magazines