Originally Posted by
Beagle89
I'm only relying on what the Original owner is saying, he said he sent it back to the armory to have it checked due to some cycling problems & the information passed on was that they change the barrel . Without disassembling the gun ,how do You measure the barrel. I'm a new enthusiast (rookie) to owning rifles so bear with me.
With the bolt in battery, you can take a wooden dowel or some other type of rod and insert it into the muzzle end of the barrel. Mark it at the end of the A1 flash hider and subtract about 1 1/8". That should give you a really close idea as to what the barrel length is. Someone else may have a more scientific method.
"A Bad Day At The Range Is Better Than A Great Day Working"
USMC Force Recon 1978-1984
US Air Force Res. 1995-2004 (Air Transportation)
M16/AR15 shooter since 1978, gun collector and AR builder since 2004
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