The Real Avid Lug-Lok Upper Vise Block is a precision gunsmithing tool designed to securely hold AR-15 upper receivers during barrel installation, muzzle device work, and maintenance tasks.
- Compatibility: AR-15 upper receivers (.223/5.56 and .308 barrel extensions)
- Mounting: Clamps into barrel extension lugs
- Material: Reinforced polymer composite
- Vise Compatibility: Standard bench vises
- Applications: Barrel installation, muzzle device work, upper receiver maintenance










