All of mine failed the test on step 3.ghostrider wrote: Mon Dec 24, 2018 5:57 pm I thought I saw one report that said the issue could affect AR-15s as well:
https://armyreservemarksman.info/2018/0 ... ge-m16-m4/
https://taskandpurpose.com/army-fix-glitch-m4-carbines/
Move the selector lever to the SEMI position then move the selector to a position between SEMI and AUTO (BURST for non M4A1’s)