The Delta Series(R) AR 308 Mag well Block is designed for use with the Tipton(R) Best Gun Vise(TM). 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