Providing Terminal Ballistics evaluations to Government and the Private Sector

Brass Fetcher Ballistic Testingass Fetcher Ballistic Testing

.38 Special

Brass Fetcher Ballistic Testing

Test #
38 Special 2
Heavy Clothing test. (Nominal 10% concentration)

Cartridge : .38 Special Remington 158gr SJHP handload

 

Block Calibration : 3.3 ± 0.05 inch penetration @ 596 ± 0.5 ft/sec


Block Calibration temperature : 36.4 ± 0.05 Degrees Fahrenheit


Block Core temperature : NR


Bullet Performance:

Shot 1 :


Impact Velocity : 918 ± 0.5 feet/second
Deepest Penetration Depth : 15.5” ± 0.05 Inch (exited rear of block)

Bullet recovered average diameter : 0.353”
Bullet recovered length : 0.663”

Bullet recovered weight : 157.1gr

 

Shot 2 :


Impact Velocity : 896 ± 0.5 feet/second
Deepest Penetration Depth : 15.5 ± 0.05 Inch (exited rear of block)

Bullet recovered average diameter : 0.354”
Bullet recovered length : 0.667”

Bullet recovered weight : 157.2gr

 

Shot 3 :


Impact Velocity : 919 ± 0.5 feet/second
Deepest Penetration Depth : 15.5 ± 0.05 Inch (exited rear of block) 

Bullet recovered average diameter : 0.353”
Bullet recovered length : 0.676”

Bullet recovered weight : 157.1gr

 

Shot 4 :


Impact Velocity : 904 ± 0.5 feet/second
Deepest Penetration Depth : 15.5 ± 0.05 Inch (exited rear of block)

Bullet recovered average diameter : 0.355”
Bullet recovered length : 0.679”

Bullet recovered weight : 157.4gr

 

Shot 5 :


Impact Velocity : 875 ± 0.5 feet/second
Deepest Penetration Depth : 15.5 ± 0.05 Inch (exited rear of block)


Bullet recovered average diameter : 0.354”
Bullet recovered length : 0.674”

Bullet recovered weight : 157.3gr

 

Notes:

Shots 2 and 5 experienced tumbling at around 6" penetration depth. This yaw cycle was complete at ~ 9" penetration depth.

 

Weapon – Smith and Wesson 642, with 1.9” barrel length
Distance – 10.0 feet, muzzle to gelatin impact face
Test site conditions - 68 deg F, 37% relative humidity
Time out of refrigeration prior to shot impact - 5 minutes