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Posted: 9/17/2009 12:20:07 PM EDT
[#1]
They function smoother with a longer sight radius. They will only be slightly heavier than a carbine.
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Posted: 9/17/2009 12:36:39 PM EDT
[#2]
Smoother recoil than a carbine.
Less stress on operating parts. Longer sight radius and more covered barrel in the same length as a non-SBR carbine. Standard bayonet works. BSW |
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Posted: 9/17/2009 12:42:41 PM EDT
[#3]
The gas port pressure is significantly lower which translates into the above mentioned benefits. The farther down the barrel you can get the gas port, the lower the port pressure and chamber pressure when the bolt starts to unlock and extract the spent cartridge case.
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Posted: 9/17/2009 3:50:48 PM EDT
[#4]
I have a couple of middy's as well as a standard M4gery (carbine length gas system). The middy's just look better. But that is not the reason for having them. In a firearm its function over form and many will tell you the middy just feels better to shoot. The physics tells you there is a pressure difference in the gas systems. I do not have an exact number to quote but I am sure there are some experts out there (maybe at Armalite) who have these figures. Also, I like the longer site radius as I know that it helps.
OH, and they are prettier without all that naked barrel sticking out. |
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Posted: 9/17/2009 5:02:16 PM EDT
[#5]
All of the above!
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Posted: 9/17/2009 5:16:18 PM EDT
[#6]
Quoted:
All of the above! Best of both worlds. 458 |
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Posted: 9/17/2009 6:32:17 PM EDT
[#7]
You just need to get one...
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Posted: 9/17/2009 6:55:09 PM EDT
[#8]
Runs smoother and cycles better. PLUS you can add a bayo.... blwahahaha...... FTW
 
ETA: by cycles better I mean less pressure due to longer gas tube. |
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Posted: 9/18/2009 5:21:41 AM EDT
[#9]
Are the barrels the same length as a carbine?
What about the barrel profile - is it any different? |
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Posted: 9/18/2009 5:45:23 AM EDT
[#10]
yea the barrels are the same length, supposing that your talking about a 16in barrel carbine. the barrel profile will not be the same. most carbines will have thinner barrels and a cut out for a 203. but it really depends upon your barrel choice.
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Posted: 9/18/2009 8:56:01 PM EDT
[#11]
For me, It looks better in less than rifle length barrels. The dissapator just looks weird to me.
When slung up and shooting prone, the midlength feels better than the carbine length and does not crowd up on my hand. It also has a longer sight radius than the carbine. |
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Posted: 9/21/2009 5:53:21 AM EDT
[#12]
Is the gas block typically "under" the rail, or out in front of it?
Sorry for all the stupid questions. |
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Posted: 9/21/2009 5:56:23 AM EDT
[#13]
maybe because I want my 16" carbine to work correctly w/o worrying about having special o-rings or checking extractor springs or having the bolt break after 15k rounds?
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