.17 in an AR upper?

[1dawg]

Has anyone heard of someone developing an upper for the .17?

[gashooter]

See link: http://alexanderarms.com/index.php/17-hmr-released.html

[Sean_W]

The orange search button and google are your friends.

https://www.m4carbine.net/showthread.php?t=13984&highlight=.17+upper