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Importance of the Muzzle Crown..

This is a discussion on Importance of the Muzzle Crown.. within the Accuracy forums, part of the M14 M1A Forum category; I can see where a dent/gouge in the crown in just the right spot - so that it affects a land or maybe even a ...


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Old March 6th, 2017, 03:54 PM   #16
Lifer
 
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I can see where a dent/gouge in the crown in just the right spot - so that it affects a land or maybe even a groove exactly at the exit of the barrel could affect a bullet. At least it wouldn't surprise me.

I have two .357 SIG pistols. A Glock M31 and a S&W M&P FS. The ammo that shot (as decent as a Glock will shoot) alright in my M31 tumbles like a lopsided football in the M&P, even at 8 or 10 yds. People told me to get the muzzle recrowned so I did. No effect. It still tumbles those rounds. Now some it doesn't tumble, but the M31 shot all of them (couple different loads with 124 grain hollow points) without tumbling.

Funny stuff sometimes. If you don't understand exactly what is wrong then what you do to fix it might help, or it might not.

I used to work for a big chemical company. When the process went south several knobs would get turned. When the process straightened out again no one was ever interested in trying to figure out which knob turning helped and which knob turning had no effect. Science. Gotta love it.

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Old March 6th, 2017, 03:59 PM   #17
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Quote:
Originally Posted by smoothy8500 View Post
I had linked an article that tested results of crown damage. It appears that crown damage does not create "gross inaccuracy":
Crown condition overrated?
It can change the POI significantly, not necessarily the accuracy.

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