Density
https://books.google.com/books?id=QE...sC&pg=PA54&lpg
Hevi-Shot 11.80 gm/cc
Lead 11.00
Tungsten-Polymer 10.60
Tungsten-Iron 10.30
Bismuth 9.6
Steel 7.86
(Note Hevi-Shot, Tungsten-Iron, and Steel are not recommended for vintage barrels)
From
http://www.supertrav.com/pelletcount1.html
1 1/8 oz. Tungsten-Polymer/Matrix and Lead 4s
both have 152 pellets
3 Dram Eq. - 1200 fps
3 1/4 Dram - 1255 fps (my vote for pheasants on non-tox land)
3 1/2 Dram - 1300 fps