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Geissele AR-15/M4 Super Reaction Rod
$213.99 $178.50 Save 17%
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Most Helpful Positive Review Rection Rod
An absolute must have for barrel and upper work on your AR-15. Takes ALL of the pressure away from the upper. Fits into the barrel extension and then secures the upper with two non marring bronze wedges which keep the upper from moving. Hole the upper in any orientation without movement. Easy and very secure. Another excellent product from Geissele.
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Reaction Rod

by Crager, Verified Owner from NC, United States Written on September 30, 2025
Very sturdy tool very built wouldn't expect anything else from Geissele
Would recommend: Yes
Was it helpful to you? Yes | No

This is a must have in an armorer’s set up or if you like doing things yourself.

by Reiko, Verified Owner from AL, United States Written on July 25, 2025
Well thought out and a must have if you like building or doing the stuff yourself
Pros:
  • No receiver flex
Cons:
  • price
Best Used for:
  • Ar building
Would recommend: Yes
Was it helpful to you? Yes | No

Well Made Product

by JM, Verified Owner from MS, United States Written on February 23, 2025
Just as described. I am glad the quality is there for the price.
Pros:
  • Quality made
Cons:
  • None
Would recommend: Yes
Was it helpful to you? Yes | No

geissele super reaction rod

by Patrick Green, Verified Owner from OH, United States Written on August 20, 2024
This thing is amazing 10/10 would recommend. So easy to use and sturdy.
Pros:
  • fast
  • Easy
  • built strong
Cons:
  • None
Best Used for:
  • Uppers
  • Barrels
Would recommend: Yes
Was it helpful to you? Yes | No

Hard to Improve on This

by Kevin, Verified Owner from CO, United States Written on March 23, 2020
The reaction rod is good. The Super is better. When torquing a barrel nut or breaking loose a tight one the Super with the little dogs in the ejector port hold the receiver so the little pin on the barrel extension and the slot in the receiver don't bear the load. Remove the dogs and it's a great work station for muzzle device on and offs and other upper assembly tasks. Geissele makes good stuff.
Pros:
  • Super useful
Cons:
  • None
Best Used for:
  • Precision AR upper work.
Would recommend: Yes
1 of 1 found the following review helpful.
Was it helpful to you? Yes | No

Works great

by John Moses, Verified Owner from WA, United States Written on August 24, 2019
Works great! Hold the upper firmly and allows you to torque anything in or break anything off as needed. Doesn’t make any marks on the uppers ejection port. Works for LH eject as well. No complaints other than it’s expensive.
Would recommend: Yes
1 of 1 found the following review helpful.
Was it helpful to you? Yes | No

Makes life easier

by D-Menace, Verified Owner from UT, United States Written on June 28, 2019
Took an armorers course and the dude teaching the course had this. Great asset to any builder whether professional or just a "in the garage" AR builder/general maintenance/switch out parts guy such as myself. Makes working on your rifle easier. Shipped fast. Great product.
Pros:
  • Sturdy
Cons:
  • None
Would recommend: Yes
1 of 1 found the following review helpful.
Was it helpful to you? Yes | No

Super Reaction Rod

by efn31, from CA, United States Written on February 18, 2019
Geissele is usually known for their triggers. Sometimes people forget that they make tools as well. I've found this tool to be most helpful with builds and it can help prevent damage to parts. Don't waste your time with other brands. Stick with the best.
Would recommend: Yes
2 of 2 found the following review helpful.
Was it helpful to you? Yes | No

Good tool for a builder

by Paulo, from CA, United States Written on May 30, 2017
It will protect your upper receiver better when putting on your barrel and also apply the torque where it is needed most. It has also made it easier to use with the super rod additional features. Buy one and you will have one less thing to worry about doing your builds!
Would recommend: Yes
2 of 2 found the following review helpful.
Was it helpful to you? Yes | No
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