That warning is for users of Alexander Arms semi 17 HMR. They are designed for std hmr rounds and can not use the hotter stuff or the 20 gr rounds.
See the text of the GC listing here for details - the forum wont let me cut and paste it for some reason.
https://www.guncity.com/17hmr-alexan...-fluted-387629
Both A17 and VNT are blacklisted for these HMRs.
VNT is basically the A17 with a speer projectile v's the Vmax
Bookmarks