7mm-08 Rem Hornady 139gr InterlockProven 7mm 08 Deer Loads Hornady American Whitetail InterLock The Hornady American Whitetail 7mm 08 Remington 139 Grain InterLock at 2,840 FPS is a dependable deer hunting load built around Hornadys legendary InterLock bullet. The InterLocks exposed lead tip delivers controlled expansion, while the exclusive InterLock ring a raised ring inside the jacket embedded in the bullets core keeps the core and jacket locked together during expansion to retain