AT3(TM) MOTHERFU-BAG(TM) - The BIG AR-15 Lost Parts Kit - Springs, Detents, Wear Parts, and More

Launch a detent? Snap a spring? Don't get mad, just fix it with this AR-15 Lost Parts Kit! Alright, so y'all seem to like the FU-BAG. Like a lot. Which probably means there's a lot of little springs, detents, and pins lying around in dark corners around America. But we've heard you asking for more. [...]