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

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Product Description

The Smart-Fit AR15 Vise Block is the last lower vise block you'll ever need. The patent pending block expands to fit any .223 / 5.56mm AR15 magwell, making loose, sloppy fitting blocks a thing of the past. Insert the block into the magazine well and simply rotate the adjustment handle to tighten the fit.
This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.