Quote:
Originally Posted by jmarke
I have a .45 cal Glock 21 SF (short frame) with a Surefire 600 lumen light mounted on the rail. Note: the weight of the light will have a tendency to lower the point of impact a good 5 to 6 inches. Point of impact tends to be lower than normal by 5" due to the weight of the light at the front of the barrel. Heart shot = gut shot, but the 600 lumen light, especially on strobe is awesome.
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Really? I'm raising the BS flag on this one. The only way this could happen is if the sighting plane were distorted or the barrel to slide relationship is changed which happens sometimes with suppressed weapons. It isn't common with rail mounted accessories. So which is it? A distortion of the sighting plane/change to the barrel slide lockup or just poor shooting technique amplified by a change in the balance of the weapon?