The Geissele Reaction Rod (Part Number: 10-169) is an essential tool designed to simplify the removal and installation of barrels, flash hiders, gas blocks, and hand guards on AR-15 and M4 platforms chambered in 556/223 caliber. Crafted from durable steel with a sleek black finish, this tool provides a stable and secure means of working on upper receivers without risking damage to the finish or components. Its unique design allows it to be gripped in a bench vise in either a horizontal or vertical orientation, ensuring versatility and ease of use during firearm maintenance and assembly.
The Reaction Rod features integral splines that securely engage the barrel extension, preventing rotation and allowing the torque from barrel nut wrenches to be transferred directly into the barrel extension. This eliminates the need for receiver vise blocks, which often transmit turning forces into the aluminum receiver and risk damaging or distorting the receiver’s finish or indexing pin. By securing the barrel extension directly, the Reaction Rod ensures precise, safe, and efficient work every time.
This tool is particularly valuable for gunsmiths, firearm enthusiasts, and armorer workshops seeking to streamline barrel swaps and repairs. Its robust steel construction provides longevity and dependable performance, even with frequent use. The compact design facilitates easy handling and storage, making it a practical addition to any firearm maintenance toolkit. Whether you're installing a new barrel, removing a gas block, or upgrading hand guards, the Geissele Reaction Rod offers a reliable, damage-free solution for all your AR-15/M4 caliber firearm servicing needs.
Features:
- Designed for 556/223 caliber AR-15 and M4 upper receivers
- Constructed from durable steel with a black finish for long-lasting use
- Engages directly with the barrel extension via integral splines for secure grip
- Allows use in both horizontal and vertical vise orientations
- Eliminates the need for receiver vise blocks, reducing the risk of damage
- Transfers torque directly into the barrel extension for efficient work
- Prevents marring and damage to receiver finish and components
- Ideal for barrel removal, installation, and gas block or hand guard swaps
- Compact and easy to handle, suitable for professional and DIY use
