UPDATE & UPGRADES | MAC9 DS Comp 5” w/ HOLOSUN 507 and Surefire X300
This video demonstrates the process of zeroing a Holosun 407C red dot optic on a MAC9 DS Comp 5-inch pistol. The instructor walks through the steps of firing initial shots, observing impact, and making necessary adjustments to the optic's turrets. The session also includes shooting drills on steel targets and paper, highlighting the firearm's performance with its upgrades.











