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Posted: 2/9/2006 2:04:19 PM EDT
Hey everyone...Whenever I chamber a round with my LMT upper, I notice that the rounds get scraped up pretty good. It looks like my feedramps are not perfectly lined up with the barrel extension, but I can't imagine it would have this much of an effect. Here are some pictures of a scatched round and my feedramps. Does this look normal?
   
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Posted: 2/10/2006 4:29:47 AM EDT
[#1]
No, that does not look normal. I'd check my barrel nut to make sure it's tight, do so by first removing your railed HGs, then put the upper on a vise (using an action block), then with a pin punch, take the gas tube pin out, remove the gas tube and using the right tool (barrel nut wrench) make sure the barrel nut is torqued properly.
That's the only thing i could think of right now, i hope that helps. HUNTER. |
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Posted: 2/10/2006 5:18:16 AM EDT
[#2]
That is COMPLETELY NORMAL!
The ammo is fine. And the feedramp alignment thing was covered at great length in a recent thread. DON'T WASTE ANOTHER SECOND WORRYING! |
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Posted: 2/10/2006 6:04:59 AM EDT
[#3]
Besides a mag (s) that seems to be feeding 55gr's a little on the low side,
and the very tips of the feed ramps still be mill bur'd from production, I'm with Mark on this one. DON'T WASTE ANOTHER SECOND WORRYING! |
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Posted: 2/10/2006 10:59:26 AM EDT
[#4]
mine does it too.
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Posted: 2/10/2006 8:29:29 PM EDT
[#5]
Ok, thanks guys. I just wasn't sure if it was going to affect accuracy or anything. I figured my feedramps weren't too terribly out of alignment. I mean hell, this is a battle rifle for cryin out loud! Thanks for making me feel more at ease. It's just as well...I like posting pictures.
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Posted: 2/10/2006 9:10:03 PM EDT
[#6]
nice picture of M4 feed ramps tho :)
btw both my AR's do it one with M4 ramps and one with out. |
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Posted: 2/21/2006 12:21:04 PM EDT
[#7]
I'm having the same issue with a new Bushmaster barrel I just installed.
Could someone post the link to that recent thread, I'd be interested in reading it. Can the locking lugs be deburred or opened and if so what would be the best method without compromising their function? My upper does not have the M4 feed ramps as pictured above. |
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Posted: 2/21/2006 12:50:10 PM EDT
[#8]
mine too.........not as bad though. never had a problem though |
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