Details
Details
The Geissele Automatics Super Reaction Rod is a must-have tool for AR-15 builders and professional armorers. Designed to secure AR-15 upper receivers with maximum stability, this upgraded version of the original Geissele Reaction Rod features a pre-load system that eliminates upper receiver movement. Whether you're removing a seized, over-torqued, or Loctited barrel nut, the Super Reaction Rod ensures stress-free disassembly by protecting the barrel indexing pin and keeping everything locked in place.
Features:
- Ideal for securing AR-15 upper receivers when installing or removing barrel nuts and muzzle devices
- Pre-load system eliminates receiver movement and protects the indexing pin
- Handles high torque for seized or Loctited barrel nuts
- Optional 360° rotation for versatile use
- Made from heat-treated 4140 chrome moly steel
For standard installations where extreme torque isn’t needed, the pre-load lugs can be removed, giving the rod full 360-degree rotation like the original model. Precision-machined from a solid bar of 4140 chrome moly steel, this reaction rod is heat-treated, quenched, tempered, and ground to a perfect diameter—ensuring a secure, no-wobble fit in any AR-15 upper receiver.
- Geissele Tools
California Prop 65 warning
WARNING: This product can expose you to chemicals, which are known to the State of California to cause Cancer and Reproductive Harm. For more information go to www.P65Warnings.ca.gov.Ratings & Reviews
1 review
Great tool
by Henry Giles
This is a two part review.
First the tool is amazing it locks in the upper and barrel there is no play while torquing the barrel nut. While installing muzzle device it will not walk.
The customer service at primary arms is first class. I ordered on Friday had it on Saturday while in transit the package got damaged and the part fell out of the box. Made contact wilt PA and had a replacement by Wednesday. They are amazing people to do business with. If they have it I buy from PA first