The Delta Series® AR 308 Mag well Block is designed for use with the Tipton® Best Gun Vise™. The vice block locks into the magazine well and provides a steady base for cleaning or light gunsmithing on your LR-308 Rifle.

Features:
Can be mounted directly to your bench top with the included fasteners
Locks into place using magazine lock on your receiver
Built-in hammer stop prevents damage to lower receiver