This is a discussion on Ar-15 hanguard quad rail question within the Defensive Rifles & Shotgun Discussion forums, part of the Related Topics category; Originally Posted by Daddy Warcrimes I once was issued an M-16 that had a similar problem. Check inside the upper receiver to ensure the bolt ...
"Wise people learn when they can; fools learn when they must." - The Duke of Wellington
Would aligning that barrel nut back up put it back into alignment or no? If it is off when i look at it, would I need a new gas tube?
I put the UTG rails on my M&P15 , they're rock solid IMO.
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I am replacing the original hand guard on my son-in-law's AR15 carbine with a quad rail. I pulled the hand guards and measured the length. They measure 6.125 inches on the outer body and on the inside when including the mounting rings the length is 6.75 inches. I purchased the Midwest Industries Gen 1 drop-in hand guard (item # MCTAR17). The MI web-site shows the length at 6.125 inches. Does anyone know if this is the right hand guard?
Larry in Katy, TX
Last edited by Lealbert; December 29th, 2011 at 02:17 AM. Reason: Spelling