5.56 M4 Throat erosion...?


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J23
January 31, 2010, 10:55 AM
...I was thinking of picking up a spare barrel...M4 barrel assy., Colt SOCOM, Chromed lined, 1-7 twist, 14.5 (with the perm. flashider making it 16.1".)

Seller states that the throat erosion is gaged at 5.25.

How bad is that? I mean, this will be for one of my 'rat grade' guns, SHTF or TEOTWAWKI... Red Dawn... zombie invasion... whatever you like. That type of weapon.. that sort of thing. I expect decent accuracy... as in... positive hits out to 300 yards.

Thoughts?

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briansmithwins
January 31, 2010, 11:07 AM
Sounds used to me.

You might find out the reason it's being sold is that it won't group anymore.

I'd probably get a new barrel unless the seller will take it back if it won't hold under 2MOA.

BSW

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