Gold Dot Personal Protection - 9mm Luger
Part Number Cartridge
Bullet Wt. Bullet Type Box Count Bullet Coefficient
23619
9mm Luger 147 GDHP 20 0.164
Velocity(in feet per second) Energy (in foot pounds)
Muzzle 50 yards 100 yards Muzzle 50 yards 100 yards
Velocity985 50y 932 100y 887
Energymuzzle317 50y 284 100y 257
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Gold Dot Personal Protection - 9mm Luger
Part Number Cartridge
Bullet Wt. Bullet Type Box Count Bullet Coefficient
23618
9mm Luger 124 GDHP 20 0.134
Velocity(in feet per second) Energy (in foot pounds)
Muzzle 50 yards 100 yards Muzzle 50 yards 100 yards
1150 50y 1039 100y 963
Energy muzzle364 50y 297 100y 255
Clearly the 124 is a LITTLE better than 147 at energy at 50 and 100 yards. Yes it does matter, but, will it matter at 10 - 25 yards.? probably not.
Shoot what works in your pistol and has been proven to reliably expand
Site used for above info;
http://www.speer-ammo.com/ballistics/ammo.aspx