Ballistic gelatin performance of the Winchester 64gr bonded JSP

All information on this page provided by Doctor Gary Roberts

5.56 mm Winchester 64gr bonded FBI JSP (Q3313/RA556B) fired from 16" 1/7 barrel AR15; no MV recorded due to damaged chronograph:

 

 

Penetration

Neck Length

Max TX diameter

Recovered Diameter

Recovered Length

Recovered Weight

Bare Gelatin

17.1

1.0cm

10.0cm @ 10cm (extending to 19cm)

0.46

0.38

59.6

Auto Glass

13.6

0cm

7.0cm @8cm (extending to 15cm)

0.35

0.37

34.6

 

In the photo below, the middle two projectiles are the 5.56 mm 64 gr Win bonded FBI (BG over AG)