From the “oh shit” Barrel with a couple squibbed !!!!! Guy was shooting a…

From the “oh shit” shelf…….MP5SD Barrel with a couple squibbed rounds…..couple…..lol !!!!! Guy was shooting a buddies reloads. Notice how HTA ported the barrel with slots and not holes at the chamber. Lol !!!!!! #mp5 #gunsmith #pewpew #nfa #class3