“HS-6 is a fine spherical propellant (for) pistol and shotshell. In pistol, 9mm, 38 Super, 40 S&W and 10mm Auto are some of the cartridges where HS-6 provides top performance. In shotshell, HS-6 yields excellent heavy field loadings… Identical to Winchester’s discontinued 540.”
Bottom line: Still evaluating.
- Good amount of load data.
- Very dense powder (a grain takes up little space) making double or even 3x charges possible.
Density (per Lee dipper chart) 14 grains/cc
Redding 3BR Pistol Insert
pistol_insert_number ≈ 5.44 * Grains – 1.8
Grains Thrown ≈ 0.33 + 0.184 * pistol_insert_number
|Pistol Insert #||Grains Thrown||10x Throws (Grains)|