What causes this? It's happened twice in the past 1K rounds.
Happened on reload from bolt catch
Okay Surefeed loaded to 28 rounds
Geco 55gr (Swiss)
Daniel Defense barrel
Colt BCG
Aero or BCM upper receiver
VLTOR A5 kit
LMT lower
https://photos.smugmug.com/ARs/i-c9x...7180CB5-X3.jpg