Web Site Index and Navigation Center

.40 S&W Winchester 155gr Silvertip JHP (Glock 27)

.40 S&W Winchester 155gr Silvertip JHP
Product Number:X40SWSTHP, Lot Number: AA21
Test Date: 12/99
Test Weapon: Glock 27, 3.5" bbl  
Bare Gelatin   Denim Covered Gelatin
Gelatin Calibration: 8.9cm @ 571 fps Gelatin Calibration: 8.7cm @ 579 fps
Shot # Velocity
Feet/Sec
Penetration
Inches
Expansion Shot # Velocity
Feet/Sec
Penetration
Inches
Expansion
1 1070 11.7 .72 1 1067 18+ NR
2 1092 12.4 .68 2 1089 16.8 .58
3 1097 11.9 .76 3 1098 18+ NR
4 1095 11.4 .71 4 1079 18+ NR
5 1026 12.5 .72 5 1087 18+ NR
Avg. 1076 12.0 .72 Avg. 1084 See Remarks See Remarks
Corrected N/A   Corrected N/A  
Remarks:
Gelatin calibration corrected to 9.2cm in accordance with: "Figure 5-2, Velocity Variation Correction to Measured BB Penetration Depth." Bullet Penetration, MacPherson, Duncan, Ballistic Publications, El Segundo, CA, 1994, p. 84.
Remarks:
Gelatin calibration corrected to 8.9cm in accordance with: "Figure 5-2, Velocity Variation Correction to Measured BB Penetration Depth." Bullet Penetration, MacPherson, Duncan, Ballistic Publications, El Segundo, CA, 1994, p. 84.

Five shot average penetration depth and expanded diameter cannot be determined because shots #1, #3, #4 and #5 penetrated entire length of 18 inch gelatin block, exited, and were not recovered.

Bullet #2 exhibited asymmetrical expansion due to jacket tearing away from lead core.


Figure 1. Angular View, Nose Up

end of page bar.gif (913 bytes)

Delivering you informative multimedia essays about the "battlefield problem-solving" tactical aspects of armed self-defense.

Web Site Index and Navigation Center

Copyright © 1998 - 2002 Firearms Tactical Institute. All Rights Reserved.
FirearmsTactical™, Salus In Periculo, and logo are trademarks of Firearms Tactical Institute.