I recently built a .280AI and couldn't be happier.

The way I see it is cheap donor brass, approaches 7 mag energies and velocities (isn't quite a 7 mag and never will be), recoil is reasonable, non belted brass equals one extra poke in the magazine.

Mine shoots 140's at 3300 fps and 162's over 3k via book loads which is all I can ask for.

Yep fireform .280 Rem for brass and never look back.

Here's mine just after it was built. The 20 MOA rail has since been replaced by a set of Talley one piece mounts.

[Linked Image]

Last edited by MallardAddict; 11/28/12. Reason: Add pic