Andrew Wiggin
New member
.357 mag Underwood 125 gr Montana Gold JHP video link
357 mag Underwood* 125 gr Montana Gold JHP fired from 4" S&W Model 13 through four layers of denim into calibrated gelatin.
BB: 588.7 fps, 3.1"
Impact velocity: 1,503 fps
Penetration: 16.2"
Retained weight: 105.2 gr
Max expansion: 0.573"
Min expansion: 0.445"
*This is an old load. Underwood now uses Speer Gold Dots.
.44 mag HSM 240 gr SJHP video link
.44 mag HSM 240 gr semi-jacketed hollow point fired from 7.5" Ruger Redhawk through four layers of denim into calibrated gelatin.
BB: 588.7 fps, 3.1"
Impact velocity: 1,114 fps
Penetration: 19.3"
Retained weight: 240.7 gr
Max expansion: 0.682"
Min expansion: 0.628"
357 mag Underwood* 125 gr Montana Gold JHP fired from 4" S&W Model 13 through four layers of denim into calibrated gelatin.
BB: 588.7 fps, 3.1"
Impact velocity: 1,503 fps
Penetration: 16.2"
Retained weight: 105.2 gr
Max expansion: 0.573"
Min expansion: 0.445"
*This is an old load. Underwood now uses Speer Gold Dots.
.44 mag HSM 240 gr SJHP video link
.44 mag HSM 240 gr semi-jacketed hollow point fired from 7.5" Ruger Redhawk through four layers of denim into calibrated gelatin.
BB: 588.7 fps, 3.1"
Impact velocity: 1,114 fps
Penetration: 19.3"
Retained weight: 240.7 gr
Max expansion: 0.682"
Min expansion: 0.628"