Fortunately for me and my green beam comming off my pistol, I only kill paper and cans and things. So far the cans have become verbally violant, but no shooting back yet
I don't really have my guns for the intent of being a comando and getting into situations where things are shooting back at me. I use them as toys for a hobby about putting holes in paper as close together as possible.
Now, something neat about having a beam visible. With the laser mounted to my highstandard 0.22cal target pistol, I have actually been able to flip a can up into the air, and shoot the can again TWO TIMES before it hits the ground. Definately not something I was able to due with an regular laser sight, nor without a laser sight.
I first mounted it to my 9mm P92f beretta pistol, and it worked fine, held its zero, and stayed bright after a few hundred rounds. I moved it to the highstandard because its more accurate, better able to stay on target during rapid fire fun, dirt cheap ammo, and seems to have all the paper and can killing power I require. I also have other pistols, includeing the 0.50cal desert eagle, but I dont think I've even taken them out the safe for the last few years, as the 0.22cal seems to suit all of my needs better.
For me, seeing the beam brings more enjoyment to my shooting hoby, and until the paper begins to shoot back, I think I will be safe
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Best Wishes,
-Luke