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Q&A for Geissele AR-15/M4 Super Reaction Rod — 6 Questions & 4 Answers

Name Geissele AR-15/M4 Super Reaction Rod (4.9)
$218.99 $200.00 Save $18.99
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Q
Snozzelquaf, member, from TX, United States, asked on May 07, 2021

is this compatible with .300 AAC barrels?

Expert Answer
A
Answered by Kurt Colbourne, Gear Expert, from IL, United States, on September 29, 2021

Yes, this should work with those barrels as well.

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Q
Matt Leong, member, from NY, United States, asked on November 24, 2020

what if its a psa barrelnut

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A
Answered by Ethan C., Gear Expert, from IL, United States, on February 02, 2021

The brand of barrel nut has no impact on the use of this tool as it locks into the barrel lugs from behind.

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Andrew, member, from SD, United States, asked on October 04, 2020

Does it come with the vise?

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A
Answered by Ethan C., Gear Expert, from IL, United States, on February 02, 2021

No it does not.

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Q
D Evans, member, from NC, United States, asked on June 21, 2019

Difference between the Reaction Rod and Super Reaction Rod..?

Expert Answer
A
Answered by Robert G., Gear Expert, from IL, United States, on October 04, 2019

The main difference is that you can pre-load the barrel nut extension to the lugs of the Super Reaction Rod, which fixes the upper receiver into place making sure that it removes any potential stress that could be placed on the index pin. Allows you to place tremendous torque on the barrel nut if needed without a greater risk of damaging the firearm.

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Q
Gator, member, from GA, United States, asked on January 02, 2026

will this work for a 6 mm Arc build?

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Q
Joshua Young, member, from WA, United States, asked on July 31, 2024

Will this work on an sig Sauer spear 556 barrel?

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