I had a 12" SSK on a G1. It was Magnaported. The recoil wasn't bad with Trapdoor level loads. It was highly accurate. The Remington 405 factory load probably wouldn't be bad.
1st Special Operations Wing 1975-1983 919th Special Operations Wing 1983-1985 1993-1994
"Manus haec inimica tyrannis / Ense petit placidam sub libertate quietem" ~Algernon Sidney~