I installed a set of Sevigny Competition sights on my G34 last year and only recently started shooting it regularly. The set I purchased had the recommended sight heights for the G34, standard Sevigny rear with a fiber optic front sight size: .115 wide .215 height. While shooting groups at 25 yards on an IDPA target cutting the center of the A zone in half with the sight picture I consistently shot groups roughly 4.5-5" high with 147gr Federal American Eagle. I shot several mags offhand and benching the gun and got the same results. While recently on a trip to Vegas, I stopped by a local shop and picked up a Sevigny front sight with a height of .245. Heading back the range this seemed to be too far in the other direction. I am now faced with having to file the taller front sight and experiment with getting the height correct. I don't remember having this issue with the Sevigny's on my other guns (G17 and another G34). Anyone else experiencing this? Would the 147 gr ammo cause that much of a difference in impact height at that distance vs 115gr or 124gr? I wouldn't think so but just thought I would see if this might be an issue with a recent run of sights.
Things I am considering:
- Filing the sight to achieve the correct impact
- Trying a set of Dawson adjustable sights
- Trying a set of Trijicon HD's