User Panel
User Panel
User Panel
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Posted: 7/19/2008 8:30:33 PM EDT
[#1]
yes and no
 iirc: m4 bbl xtension + no m4 feed ramped upper = ok regular bbl xtension + m4 feedramped upper = bad |
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Posted: 7/19/2008 8:44:51 PM EDT
[#2]
OK that only confused me more. What about having a m4 receiver assembly with a barrel extension with the feedramps.
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Posted: 7/19/2008 8:52:13 PM EDT
[#3]
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Posted: 7/19/2008 8:53:51 PM EDT
[#4]
Receiver with M4 cuts and barrel with M4 cuts= Good.
Receiver without M4 cuts and barrel with M4 cuts= OK Receiver with M4 cuts and Barrel without M4 cuts= Bad. |
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Posted: 7/19/2008 8:57:56 PM EDT
[#5]
Thanks guys. What happens if the grooves dont line up like the pic in the lower left? Maybe to be on the safe side I should get the upper receiver assembly without the feedramps?
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Posted: 7/19/2008 9:08:22 PM EDT
[#6]
I would question ANY upper you got like the one on the lower left. No vendor on this site would intentionally deliver that. |
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Posted: 7/20/2008 5:42:07 AM EDT
[#7]
That is a pic of a set up on a barrel with standard ramps & a receiver with extensions. As has already been stated that is not a good combo that you want to shoot with. If you can't find a M4 ramped receiver to go with your M4 ramped barrel extension then you will be ok buying one without as well. |
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Posted: 7/20/2008 12:43:45 PM EDT
[#8]
If you look on the lower left pic, rounds could potentially get caught underneath the barrel extention, creating feeding problems |
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Posted: 7/20/2008 1:31:28 PM EDT
[#9]
Here is a good picture of my LM&T Defender 2000 M4 feed ramp. Not easy to focus on it.
http://s168.photobucket.com/albums/u199/photobug4741/?action=view¤t=M4LMT.jpg Here is a good picture of the feed ramp on my S&WM&P15T. http://s168.photobucket.com/albums/u199/photobug4741/?action=view¤t=ChamberT15ajpg.jpg |
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