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Bad Crown?

This is a discussion on Bad Crown? within the Accuracy forums, part of the M14 M1A Forum category; I bought this rifle used, is a Springfield STD, finally took the flash hider off and this is what the crown and the barrel looks ...


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Old January 30th, 2017, 07:36 PM   #1
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Bad Crown?

I bought this rifle used, is a Springfield STD, finally took the flash hider off and this is what the crown and the barrel looks like. Was wondering what you guys think if the crown is good or it needs redone or just a new barrel.
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Old January 30th, 2017, 07:40 PM   #2
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How does it shoot? That's the important thing. Crown doesn't look bad. Maybe could be cleaned up a little but if it shoots well leave it alone.

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Old January 30th, 2017, 07:40 PM   #3
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The Flash Suppressor or Muzzle Brake pretty much negate any benefit that a perfect crown gives you.

See how it shoots before fixing anything that may not be broken.

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Old January 31st, 2017, 02:21 AM   #4
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Doesn't look bad at all.
I have a habit of running a Manson crowing tool over even my new barrels just to have the best starting point I can.

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Old January 31st, 2017, 01:18 PM   #5
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I like to look at mine thru a magnifier, you can also drag a qtip around the perimeter and see if you get any snags. First I've heard of a FS/MB negating a good crown.
There's an old technique using a brass screw head and some light lapping compound, I think Potterfield/MidWayUSA has a demo video on this that I've used with good success on my old surplus rifles.

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