223 AR15 Pin Upper Receiver Vise Block

CNC cut NO-M.A.R® polymer protects receivers finish.
Install and remove barrels that fit 223 AR15 Flat Top receivers.
Works with Bolt Group & Handle installed or removed.
Works in any bench vise that opens 3.5 Inches wide.
Use Horizontally to remove or install barrels.
Use Vertically for cleaning & hand guard removal.
Full width block & 6" Rail Cap for big or small vises.
Includes two 1/4" diameter steel pins and retaining clips.
Need to remove a stubborn barrel? Try our ATP blocks instead!