AR-10 .308 Lower Receiver Vise Block
This heavy duty vise block is designed to firmly hold your AR .308 lower receiver in a vise for assembly, cleaning or other work without scratching, twisting or distortion. A must have tool for any AR builder's workbench. Simply clamp the bottom end of this block into your bench vise and tighten then Insert place your lower receiver's mag well onto the block. Your magazine catch will lock to the block and hold your firmly in place for assembly, dis-assembly, cleaning, or repair.
This block is designed to fit tightly in MOST receivers. You may need to do a little light filing on this block to make it perfectly fit your specific lower receiver.