The Sylvan Arms 9mm Glock Conversion Block converts your AR-15 lower to a 9mm Lower using Glock magazines.<br><br>

Our Glock Conversion Block is built to handle any standard mil spec lowers with most 9mm uppers.<br>
Works with Glock 17 and Glock 19 magazines.<br>
Built of 60601 aircraft grade aluminum.<br>
limited lifetime warranty<br>
Designed, built, and assembled in the USA.<br><br>

Check it out in action: https://youtu.be/QJ-QSutw3o4