Pressure Comparisons:
1 1/8 oz. 3 Drams (1200 fps) of DuPont FFFg (82 grains) is about 5000 psi.
1 1/8 oz. 3 Drams Curtis & Harvey’s No. 4 T.S. (82 grains; somewhat similar but not equivalent to medium grain FFg) was about 6500 psi.
1 1/8 oz. 3 Dram Equivalent of BULK Smokeless (DuPont, "E.C." or "Schultze") was 6000 - 8000 psi.
1 1/8 oz. 3 Dr. Eq. of DENSE Smokeless (Ballistite or "Infallible") was 8,500 - 10,000 psi.
Not sure how that "Absence Of Recoil - High Velocity" voodoo works either