Sand the bump on the back of the mag. Known issue with magpul that happens on a variety of ar10 lowers. The 15, 20, and 25 rd don’t have the bump.
Sand where I am pointing until the side profile is straight.
Sand the bump on the back of the mag. Known issue with magpul that happens on a variety of ar10 lowers. The 15, 20, and 25 rd don’t have the bump.
Sand where I am pointing until the side profile is straight.
