Army updates automatic rifle procedures after soldier films misfiring M4A1

And the contract price per each could pay for what we would consider to be a very high-end AR equivalent.

SGT Aaron Atwood - I read that the military currently pays over $800 per M4. (clean) Being they're all FN's or older Colts I wouldn't call them low end.

SGT Aaron Atwood - the article discusses after market parts used for the conversion and those parts seem to be the problem.

With the trigger groups for sure, but only some. Time will tell.

Me too. I am guessing that a proper functions check wasn’t conducted prior to firing the weapon or placing it in the Armory?

Something's getting caught between the hammer, selector, and sear, and is releasing the hammer once the selector is in a burst position. Just off the top of my head.

SMSgt Thor Merich - Or anytime AFTER that, until now. Or so it sounds.

SGT Aaron Atwood - I'm thinking it has to be a machining burr or something like that. I assume (hate to do it!) that it initially passed QA/QC and it developed as it wore. I'm just not seeing it mechanically though.