Vertical Stringing

Vertical Stringing

Joined: December 18th, 2004, 5:59 pm

September 29th, 2010, 7:35 pm #1

I have a STI 6 Target Master in 9mm. For some reason the gun seems to be shooting with vertical stringing. The recoil spring is the original and is very light. I was wondering if a too light of a recoil spring may causing the barrel to unlock prematurely and cause the vertical shots?

Also does anyone have good load data for these guns?
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