ORIGINAL: mustad
Is there a difference between all the non toxic metals from an environmental standpoint? I remember that Bismuth Cartridge Company came out with a bio-degradable casing. I thought it was a good idea given how much plastic was going in the water, but again they were never able to get market acceptance.
I would think that there is no ill-long term fallout from any of the shot material that gets federal "non-tox" approval. Although there are certain types of tungsten based shot, such as Kent's Tungsten Matrix that are also plastic polymer mixes. Honestly, even as great as hevi-shot is, I think Tungsten Matrix is/was the best of the heavy weights. I still shoot a bit of it out of my old 20 double gun and my A5 16. It just swats ducks out of air like a big tennis racquet.... that soft shot crumples 'em.