Date Loaded: 4/6/2020
Temp: 70
Wind: SW
Gun: CZ 75B 5.21" Barrel 1:9.7" Twist
Suppressor: No
Bullet: Berrys Bullets 9mm .356" 147 gr RN
Bullet Weight: 147
Powder: Vihtavuori N320
Primer: Sellier & Bellot Small Pistol
COAL: 1.1480"
Trim Length:
Headstamp: Mixed
# Times Fired: 2
| Velocity (FPS) | ||||||||||
| Shot Number | ||||||||||
| 1 | 2 | 3 | 4 | 5 | Mean | Std. Dev. | Power Factor (PF) | Notes | ||
| Pwdr Charge (gr) | 2.8 | 668 | 720 | 736 | 729 | 689 | 708.4 | 28.85 | 104.135 | Jam |
| 2.9 | 711 | 746 | 747 | 754 | 747 | 741 | 17.073 | 108.927 | Jam | |
| 3 | 780 | 794 | 805 | 810 | 827 | 803.2 | 17.598 | 118.07 | ||
| 3.1 | 775 | 847 | 846 | 853 | 839 | 832 | 32.249 | 122.304 | ||
| 3.2 | 799 | 860 | 870 | 857 | 862 | 849.6 | 28.693 | 124.891 |
——————————————————————————————-
Date: 4/11/2020
Date Loaded: 4/10/2020
Temp: 50
Wind: SW 9MPH
Gun: CZ 75B 5.21" Barrel 1:9.7" Twist
Suppressor: No
Bullet: Berrys Bullets 9mm .356" 147 gr RN
Bullet Weight: 147
Powder: Vihtavuori N320
Primer: Sellier & Bellot Small Pistol
COAL: 1.1480"
Trim Length:
Headstamp: Mixed
# Times Fired: 2
| Velocity (FPS) | ||||||||||
| Shot Number | ||||||||||
| 1 | 2 | 3 | 4 | 5 | Mean | Std. Dev. | Power Factor (PF) | Notes | ||
| Pwdr Charge (gr) | 3.3 | 831 | 885 | 866 | 862 | 879 | 864.6 | 20.983 | 127.096 | |
| 3.4 | 860 | 868 | 927 | 901 | 903 | 891.8 | 27.508 | 131.095 | ||
| 3.5 | 891 | 916 | 918 | 905 | 909 | 907.8 | 10.756 | 133.447 | ||
| 3.6 | 893 | 941 | 944 | 937 | 944 | 931.8 | 21.879 | 136.975 |
