Smart-Fit Ar15 Vise Block

There are plenty of AR-15 vise blocks on the market designed to fit into the magazine well of your gun's lower receiver. However, due to the wide variation in dimensions from manufacturer to manufacturer, these blocks rarely hold any AR-15 securely. The Real Avid Smart-Fit Vise Block is designed to eliminate the rattle and movement of these one-size-fits-all blocks, thanks to its expanding design. To ensure a solid, immovable fit inside the Real Avid Smart-Fit AR-15 Vise Block, simply insert th