Providing Terminal Ballistics evaluations to Government and the Private Sector

Brass Fetcher Ballistic Testingass Fetcher Ballistic Testing

 5.7x28mm FN-Herstal SS-195 vs. NIJ II vest

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Brass Fetcher Ballistic Testing

Test # AP 1
Bare gelatin. (Nominal 10% concentration)

Cartridge : 5.7x28mm FN SS-195 28gr JHP

 

Block Calibration :

Primary block : 3.7 ± 0.05 inch penetration @ 587 ± 0.5 ft/sec

Vest was draped over the face of the gelatin block.  Vest was ‘new old stock’ but never issued.  Fabric was Kevlar 29.

Bullet Performance:

Impact Velocity : 2113 ± 0.5 feet/second (10-shot average)
Deepest Penetration Depth : 6.2 ± 0.05 Inch
Maximum Crack Diameter : NR
Max Crack Diameter Location : NR
Cavitation Depth : NR

Notes:
Weapon – FN 5.7, with 4.8” barrel length
Distance – 4 feet, muzzle to gelatin impact face
Test site conditions - 89 deg F
Time out of refrigeration prior to shot impact - 5 minutes
Bullet recovered weight – NR
Bullet recovered average diameter – 0.394”
Bullet recovered length – NR