i just installed my much awaited 10 LB wolff spring on my USPt 40. i went to test it a little. i've only shot 50 rds. so far so i couldn't tell yet how big is the difference. i like the feel though. shot 200 grainers w/ 4.0 N320 behind. timed 5 of my 5 round strings.
my very own 5 round drill: 2 8x10" targets 3yds apart and a 4x4 target between them. draw from holster, 2 shots on each of the outer targets first then 1 shot to the middle 3x3" target. started alternately from left and right targets. shot from 10 yds. i cut the targets from boxes.
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