J jcolon95 New member Jun 16, 2018 #1 I was looking at the holosun HS503 BU red dot to install on my keltec sub 2000. Has anyone used this red dot sight. What are your findings?
I was looking at the holosun HS503 BU red dot to install on my keltec sub 2000. Has anyone used this red dot sight. What are your findings?
