I cannot use hard shot like steel or similar, because of possible bore damage.
Quarry is ruffed grouse and pheasants.
Shots are moslty within 30 yards.
Ron Forsyth writes about "the low velocity principle". Gist is to use larger shot in heavier payloads at lower velocities. When he wrote the article for Rifleman he described using Unique. IIRC, he had #6s at around 1100 fps, #5s at maybe 1050 fps, and #4s at 1000 fps or less.
I had a .000/.005 M21 that I used to take grouse/wc/phez to about 35 yds. I got IC to LM patterns with the B&P High-Phez loads.
I do not understand your comments about steel, unless you are speaking of factory loads and pressure concerns. Your chokes are .000. Assuming you can obtain and load components designed for steel, why can you not use low-pressure non-tox?
Sam
