This is a partial review and first impressions video of the Holosun HS503GU red dot optic. The optic is shown mounted on a Project MSR 300 Blackout rifle build, paired with a Vortex VMX 3T Magnifier. The video emphasizes its educational purpose, with disclaimers about professional supervision during recording and the need for trained professionals for any work. It also includes links to the creator's social media, Patreon, and merchandise.
You've reached the end! 1 videos loaded.
Gun Laws by State
Read firearms regulations for all 50 states + D.C.
Find Gun Dealers
Search licensed FFL dealers near you.
