Quick view Holosun HS403B 2 MOA Red Dot w/ Shake Awake Extar's Take: Holosun is our favorite optics brand regarding features, quality, service, and price. The HS403B is a fantastic entry-level red dot sight with a 2 MOA dot and low parallax. The inclusion of a low mount and high mount in the box makes this a... As low as $211.75
