We have been milling slides to accept red dots for about 3 months now and the feedback has been GREAT! One of the best parts is we are able to receive your slide in, mill the slide, install your optic and send it back to you all within TEN DAYS!! Interested in milling your slide? Click the link below: https://www.glockstore.com/Red-Dot-Optic-Cut Check out what else we're up to: https://linktr.ee/glockstore __________________ Contents of Video: 0:00 - Intro 1:00 - What We Offer 1:31 - Holosun 509T 2:06 - The Challenge 2:31 - Vortex Viper 4:14 - Holosun Benefits 6:05 - Conclusion