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to provide a fast, secure, and enjoyable experience. by Tom, from MA, United States Asked on March 2, 2018
This barrel has a 0.750" diameter gas block journal and uses a mid-length gas system.
From the chamber to the gas port is 10.25" the barrel dia. at the port is .75" the port hole 15 approximately 5/16" ( used an Allen wrench to measure the hole) 5/16' woudn't quite go in. I hope this helps.
