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Discussion Starter · #1 ·
Hi every one,

just a quick question, is a 12lbs recoil spring ok with 146 pf 9mm ammo? The gun works well and the brass lands about 2.7 m from my feet's
 

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Yes I think it dip to much
Something isn't making sense.

Ejection that far away (2.7 meters/8.8 feet) is caused by higher than usual slide velocity which means the recoil spring is too light.

A lighter recoil spring causes less (not more) muzzle dip when the slide goes back into battery because the lighter spring does not provide as much closing force as a standard one. This assumes that your grip is rock solid, which I have no way of knowing about you.

If I were you I would find a recoil spring that makes the empty casings land about 1.5 - 1.8 meters away and call it good.
 
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