AR-15/M4 Reaction Rod Trigger Guard Its intuitive design allows it

Its intuitive design allows it to stand vertically on its own

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AR-15/M4 Reaction Rod Trigger Guard Its intuitive design allows itThe 556 223 Caliber Reaction Rod makes the removal and installation of barrels, flash hiders, gas blocks and hand guards much easier and simpler. The Reaction Rod is designed to be gripped in a bench vise so that the rod is either horizontal or vertical. The upper receiver is then slid onto the rod and the rod's integral splines enter the barrel extension and secure the barrel extension from turning. This allows all the torque from barrel nut wrenches