Load Ballistics
Caliber: .45 Colt | Bullet: 250 gr XTP | Powder: Unique |
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Powder Charge (gr): | Ruger Velocity (fps) | Ruger Group Size (25yd) | Ruger Group Size (50yd) | Ruger Group Size (100yd) | S&W Velocity (fps) | S&W Group Size (25yd) | S&W Group Size (50yd) | S&W Group Size (100yd) |
7.4 |
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7.6 | 824 | 2.0 |
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| 736 |
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8.0 |
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| 3.63 |
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8.1 | 871 | 1.2 |
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| 755 |
| 2.75 |
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8.3 |
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| 2.25, 5.25 |
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8.6 | 974 | 1.7 |
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| 814 |
| 2.63 |
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8.7 |
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| 6.25 |
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9.1 | 1011 | 2.8, 1.9 | 8.5 |
| 857 |
| 1.33, 6.0, 6.25 |
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9.3 |
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| 6.25 |
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Load: #877
Powder: 7.6 gr Unique
Bullet: 250.0 gr Hornady HP/XTP452
Brass: Starline
Primer: Fed 150
Ruger Group: #895, Velocity: 824 fps, Count: 5, ES: 63, Group Size (in): 2.00, 5 shots @ 25.0 yds
Ruger Chronograph Velocities: 789,844,825,852,810
S&W Group: #924, Velocity: 736 fps, Count: 3, ES: 44, Group Size (in): 3.63, 4 shots @ 50.0 yds
S&W Chronograph Velocities: 747,752,708
Load: #878
Powder: 8.1 gr Unique
Bullet: 250.0 gr Hornady HP/XTP452
Brass: Starline
Primer: Fed 150
Ruger Group: #873, Velocity: 871 fps, Count: 5, ES: 49, Group Size (in): 1.20, 5 shots @ 25.0 yds
Ruger Chronograph Velocities: 843,881,863,892,877
S&W Group: #925, Velocity: 755 fps, Count: 4, ES: 79, Group Size (in): 2.75, 4 shots @ 50.0 yds
S&W Chronograph Velocities: 719,753,798,750
Load: #879
Powder: 8.6 gr Unique
Bullet: 250.0 gr Hornady HP/XTP452
Brass: Starline
Primer: Fed 150
Ruger Group: #874, Velocity: 974 fps, Count: 5, ES: 49, Group Size (in): 1.70, 5 shots @ 25.0 yds
Ruger Chronograph Velocities: 942,991,985,964,989
S&W Group: #926, Velocity: 814 fps, Count: 4, ES: 6, Group Size (in): 2.63, 4 shots @ 50.0 yds
S&W Chronograph Velocities: 815,814,811,817
Load: #880
Powder: 9.1 gr Unique
Bullet: 250.0 gr Hornady HP/XTP452
Brass: Starline
Primer: Fed 150
Ruger Group: #875, Velocity: 1011 fps, Count: 5, ES: 51, Group Size (in): 1.90, 6 shots @ 25.0 yds
Ruger Chronograph Velocities: 977,1010,1018,1028,1023
Ruger Group: #890, Velocity: - fps, Count: -, ES: -, Group Size (in): 8.50, 6 shots @ 50.0 yds
S&W Group: #927, Velocity: 857 fps, Count: 5, ES: 16, Group Size (in): 1.33, 4 shots @ 50.0 yds
S&W Chronograph Velocities: 866,855,850,854,860
Performance
Load: #877
Revolver: Ruger .45 Colt, Blackhawk 7.5" bbl
Rest: Mechanical Revolver Vise
Group Size (in): 2.00, 5 shots @ 25.0 yds
Load: #878
Revolver: Ruger .45 Colt, Blackhawk 7.5" bbl
Rest: Mechanical Revolver Vise
Group Size (in): 1.20, 5 shots @ 25.0 yds
Load: #879
Revolver: Ruger .45 Colt, Blackhawk 7.5" bbl
Rest: Mechanical Revolver Vise
Group Size (in): 1.70, 5 shots @ 25.0 yds
Load: #880
Revolver: Ruger .45 Colt, Blackhawk 7.5" bbl
Rest: Mechanical Revolver Vise
Group Size (in): 1.90, 5 shots @ 25.0 yds
Note: 25 yd group sizes were excellent. 50 yd group size was large.