// Range Log · Non-NFA Other · 300 BLK

Running New lancer magazines with Magtech 205gr subs. High Gas setting, re-zeroing the firearm due to an Optic change. I changed from the Holosun ARO EVO to the ARO EVO SPR. Gun is now Zerod at 25 yds. 1 failure to feed. Not sure if this was. magazine driven or what.