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Thread: fixing a bad mp5 barrel
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September 2nd, 2007, 04:47 AM #1
fixing a bad mp5 barrel
I had a "bad" mp5 barrel. The three lugs were not concentric or in line with the bore. The OD of the barrel was .015" out from being concentric to the bore.
IE... With the can on I was getting baffle strikes.
rather than drop another $400 on a barrel I decided to just thread the end and add a TROS 3-lug adaptor (beacuse I can and because I had a spare one laying around)
so I pressed out the barrel and set it up between centers of my lathe. I took a heavy cut and removed the lugs in one pass
Then I turned the end of the barrel down to .500"
I then cut two relief grooves for the threading tool
Then I threaded it
Now all I need to do is press it back in and headspace..
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September 2nd, 2007, 08:49 AM #2
Re: fixing a bad mp5 barrel
nice work!! and nice firearm!!
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September 2nd, 2007, 10:12 AM #3
Re: fixing a bad mp5 barrel
Good job! Details on the lathe?
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September 2nd, 2007, 12:38 PM #4
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September 2nd, 2007, 01:49 PM #5
Re: fixing a bad mp5 barrel
Thats a heck of a talent you have there.
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September 2nd, 2007, 02:27 PM #6
Re: fixing a bad mp5 barrel
Some of you guys amaze me with your skills. Nice job! Glad you got her all fixed up.
"See, this side is well roasted; turn me on the other and eat." St. Lawrence
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September 2nd, 2007, 06:46 PM #7
Re: fixing a bad mp5 barrel
It's actually not difficult, it just takes some specialized tooling.
I think i'm going to bead blast off the epoxy "paint" and do a Black Oxide finish.
I really do not like the thick "painted" finish
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September 2nd, 2007, 06:51 PM #8Grand Member
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Re: fixing a bad mp5 barrel
Dang, that's some nice work, cool toys!
Glock Pistols.......So simple a Caveman could fix them!
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