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7/8/2020 3:01:36 PM
Posted: 5/2/2009 4:10:32 PM EDT
I am getting a 16" LMT MRP upper next weeks but I would rather have a 14.5" with a Vortex per. attached.  Anyway, my question is does anyone know if the gas ports are the same size.  If so, I will just have it cut and re-threaded.  Probably cheaper and easier than trying to find a 14.5" barrel and sell mine.  Thanks
Link Posted: 5/2/2009 7:32:06 PM EDT
If you are talking about a MRP in 5.56 the 16 inch has a midlength gas system and the 14.5 inch has a carbine gas system.
So IMO you are better off getting a 14.5 inch barrel.

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