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.25 ACP Winchester 45gr Expanding Point (Beretta 20)

.25 ACP Winchester 45gr Expanding Point
Product Number: X25AXP, Lot Number: 012BF72 82 3
Test Date: See Remarks
Test Weapon: Beretta 20, 2.4" bbl  
Bare Gelatin   Denim Covered Gelatin
Gelatin Calibration: 8.1cm @ 608fps Gelatin Calibration: 9.1cm @ 602 fps
Shot # Velocity
Feet/Sec
Penetration
Inches
Expansion Shot # Velocity
Feet/Sec
Penetration
Inches
Expansion
1 788 5.5 .42 1 750 10.1 .26
2 771 6.1 .39 2 724 9.5 .26
3 776 6.0 .42 3 732 9.3 .27
4 732 7.6 .34 4 719 8.7 .27
5 733 7.1 .38 5 766 10.1 .26
Avg. 760 6.5 .39 Avg. 738 9.5 .26
Corrected N/A   Corrected N/A  
Remarks:
Test date: 9/99.

Gelatin calibration corrected to 7.8cm 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.

This cartridge uses a bullet with a single #4 steel shot pellet embedded in tip of nose.  Bullet #1, #3, #4, and #5 steel pellet came to rest at a penetration depth of 4.3". Bullet #2, steel pellet came to rest at 4.2".

Remarks:
Test date 10/99.

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.


Figure 1. Angular View, Nose Up

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