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Brass Fetcher Ballistic Testingass Fetcher Ballistic Testing

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Brass Fetcher Ballistic Testing

Test # JK 14

Bare gelatin test (Nominal 10% concentration)

Cartridge : .50GI Guncrafter Industries 300gr TMJ

Block Calibration :

Block  1 : 3.2 ± 0.05 inch penetration @ 588 ± 0.5 ft/sec.  37.0 degrees Fahrenheit

Block  2 : 3.1 ± 0.05 inch penetration @ 570 ± 0.5 ft/sec.  37.7 degrees Fahrenheit

Block  3 : 3.1 ± 0.05 inch penetration @ 597 ± 0.5 ft/sec.  37.4 degrees Fahrenheit

Block Core temperature :

Block 1 : 37.9 degrees Fahrenheit

Block 2 : 38.1 degrees Fahrenheit

Block 3 : 38.0 degrees Fahrenheit

Bullet Performance:

Impact Velocity : 739 ± 0.5 feet/second
Deepest Penetration Depth : 39.8 ± 0.05 Inch
Maximum Crack Diameter : 1.1 ± 0.05 Inch
Max Crack Diameter Location : 6.4 ± 0.05 Inch
Cavitation Depth : 0.0-15.7 ± 0.05 Inch

Notes:
Weapon – Guncrafter Industries Model 1, with 5.0” barrel length
Distance – 10.0 feet, muzzle to gelatin impact face
Test site conditions - 66 deg F, 50% relative humidity
Time out of refrigeration prior to shot impact - 8 minutes
Bullet recovered weight – 302.6 ± 0.05gr
Bullet recovered average diameter - 0.498 ± 0.0005"
Bullet recovered length - 0.640 ± 0.0005"

 

Bullet appeared to yaw significantly at 24.9” to 25.6” penetration depth.