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2/16/2010 4:31:05 PM EDT
Is there any advantage to having a M4 contour barrel to one that does not? Besides being lighter?
2/16/2010 6:21:49 PM EDT
[#1]
Just lighter, unless you plan on running a M203.
2/16/2010 8:59:27 PM EDT
[#2]
M4 barrels are for military wanna-be's that will never see or touch a M203 launcher.  Plus, the notch weakens the barrel.
2/17/2010 9:35:50 AM EDT
[#3]
Quoted:
M4 barrels are for military wanna-be's that will never see or touch a M203 launcher.  Plus, the notch weakens the barrel.


Or they might be one of the most commonly-produced barrels, which makes them cheaper and easy to get.  I use the real-deal M4A1- sometimes with the M203 mounted.  Never had any barrels break off at the notch.  

2/17/2010 9:38:57 AM EDT
[#4]
Quoted:
M4 barrels are for military wanna-be's that will never see or touch a M203 launcher.  Plus, the notch weakens the barrel.


Really, and I am sure you have cold hard data to back up that statement?
2/17/2010 9:56:00 AM EDT
[#5]
Quoted:
Quoted:
M4 barrels are for military wanna-be's that will never see or touch a M203 launcher.  Plus, the notch weakens the barrel.


Really, and I am sure you have cold hard data to back up that statement?


wouldn't removing material weaken anything? It may never matter but I think it makes sense to say removing the metal for the notch would weaken the barrel.
2/17/2010 10:01:13 AM EDT
[#6]
Quoted:
Quoted:
Quoted:
M4 barrels are for military wanna-be's that will never see or touch a M203 launcher.  Plus, the notch weakens the barrel.


Really, and I am sure you have cold hard data to back up that statement?


wouldn't removing material weaken anything? It may never matter but I think it makes sense to say removing the metal for the notch would weaken the barrel.


It does, however few barrels are used as pry-bars these days.  The military wanna-be thing could be said of anyone who buys an AR, whether it's right or wrong.

2/17/2010 10:50:00 AM EDT
[#7]



Quoted:


M4 barrels are for military wanna-be's that will never see or touch a M203 launcher.  Plus, the notch weakens the barrel.


Wow, that's an arrogant statement.



 
2/17/2010 10:54:36 AM EDT
[#8]





Quoted:





Quoted:




Quoted:


M4 barrels are for military wanna-be's that will never see or touch a M203 launcher.  Plus, the notch weakens the barrel.






Really, and I am sure you have cold hard data to back up that statement?






wouldn't removing material weaken anything? It may never matter but I think it makes sense to say removing the metal for the notch would weaken the barrel.



You could say that, but when was the last time you heard of guys in the sandbox have their barrels snap in two?





The biggest negative to the M4 profile barrels, or any lightweight profile barrel for that matter, are their tendency to heat up quicker under full auto fire (a problem I personally wouldn't encounter).





 
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