Testing match grade ammunition with chronograph finding (FPS) “Feet Per Second”. Power factor is calculated by the formula: bullet weight times velocity divided by 1000. Power factor requirements are determined by which division one competes in, and might be caliber specific. For .45 ACP must be 165 for “Major” and 125 to be “Minor”
My testing (14) Rounds to see meet power factor ? About 170 power factor is maximum and close to 165 power factor low. Then (28) Rounds for accuracy testing.
Power Factor Equation: Bullet Weight x Bullet Speed It’s simply the weight of the bullet in grains, multiplied by the speed of the bullet in feet per second. Example: A . 45 ACP round with a 200 grain SWC bullet might travel downrange at 850 fps. The Power Factor of that load would be 200 X 850 = 170,000.
SYNTECH ACTION PISTOL (SKU AE45SJAP1)
Caliber – 45 ACP
Velocity – 795 fps
Bullet Weight – 220 gr.
Calculated Power Factor – 174.9
Declared Power Factor – Major
USPSA Power Factor – Major
OAL – 1.210-1.230 inches
Gary Hybridge 