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Does anyone know if the gas hole/port diameters differ between standard length and paratrooper M249 barrels with self-regulating gas systems? I have a standard length barrel I was hoping to shorten to just over 16" and thread for a suppressor, but the Smith I'm working with brought up there may be functioning issues without an adjustable gas valve.

Thanks for the input!
 
Posts: 311 | Registered: February 10, 2009Reply With QuoteReport This Post
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Why not just buy a second barrel?
 
Posts: 2416 | Registered: December 06, 2006Reply With QuoteReport This Post
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It is actually the third barrel.
 
Posts: 311 | Registered: February 10, 2009Reply With QuoteReport This Post
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