AR15 Black Pin Upper Receiver Vise Block Armorers Gunsmith Barreling Tool
Made in America & machined from NO-M.A.R Polymer to handle your receiver gently yet powerful enough to torque on a barrel... With the included receiver capture pins it is also great for cleaning, hand-guard or optics chores. If you have got a stuck barrel try our Patented Anti-Torque-Plate style upper receiver blocks instead...