Real Avid Smart-Fit AR-15 Lower Receiver Vise Block

A magwell vise block is an invaluable tool for working on your AR15. The problem is ... different AR manufacturers build magazine wells to different tolerances. Old school vise blocks are meant to be one size fits all, but actually fit few at all. You end up with your gun shifting all over the place due to a loose fit or having to shave down the block to fit one particular gun. Then you have to buy another block and customize it to fit another gun and so on... The Real Avid Smart-Fit AR15 Vise Block uses a patent-pending system to easily create a solid, custom fit to each and every AR15 magwell it goes into. Just inset the top of the Smart-Fit AR15 Vise Block into the magazine well. Turn the adjustment handle on the bottom of the block to snug it up, then secure the knurled bottom of the block into your bench vise. Rock solid support! If you need to work on the underside of your gun, invert the lower receiver and insert the Smart-Fit AR15 Vise Block into the magazine well ... from t...