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Discussion Starter · #1 ·
Id like to know if anyone ported there fns 9/40 to make it shoot flatter for competition. The top of the slide doesnt have that much space near the end by the sight but the side for a few slits could easily work and help remove some muzzle flip. My gun is already pretty flat with the tinkering ive done but id be willing to give up 50-75fps to have it shoot like a .22.
 
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