Oct 13, 2017 · Hello People of the ar15armory nation. I have a curious question for anyone that wants to answer. So I have a Ruger AR-556 that I have owned for little over a year and have put close to …

Jul 5, 2011 · All you have to do is remove the BCG, remove the bolt from the carrier, push out the extractor pin, replace the parts and reasemble. Keep the old parts for spares.

Sep 3, 2013 · The mod is stupid easy. an 8-40 tap and set screw are at the local ACE Hardware. Run the tap into the spring hole at the rear of the lower to aprox 1/4" depth, clean chips out, install …