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1/27/2008 9:00:04 AM EDT
How much difference is there between a full, mid, and carbine sized rifle, specifically in the gas system?  Is there a difference in reliability?
1/27/2008 12:14:20 PM EDT
[#1]
Nobody knows???  Am I going to have to go to GlockTalk?  
1/28/2008 5:17:47 PM EDT
[#2]
I think this will answer your question.

Carbine is usually offered with 16inch and lower barrels
mid 14.5 to 18
rifle 18 and over

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