NOTE** Please understand that this is for ammunition reaching Major Power Factor FOR COMPETITION SHOOTING. There are guns that cannot handle these HIGHER PRESSURES and CAN BE DANGEROUS if you do not proceed with caution. Make sure your firearm is built for this before continuing. Also these higher pressures can greatly effect brass integrity.
Velocity needed for 165 Power Factor: 1435 fps
Powder: AA7
S&B Primers
OAL 1.11-1.12
Firearm for Data: Tanfoglio Gold Custom v4 Open Class pistol.
9.3 gr AA7:
1452
1441
1436
1444 average 1444.2
1448 standard dev 6.180614856
9.5 gr
1476
1473
1471
1493 average 1483.666667
1495 standard dev 11.44843512
1494
9.7 gr
1499 best dot tracking
1504 velocities tested with a weak 12 lb spring
1494 average 1497.75
1494 standard dev 4.787135539
9.9 gr
1528
1544
1517 average 1526.75 175 PF
1518 standard dev 12.52663828
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