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Questions & Answers
Will this Geissele reaction rod work on armalite ar10 barrels? Expert Answer

The Geissele AR-10/SR25 Reaction Rod 10-247 will work with an Armalite AR10 Barrel.

by Hunter, Gear Expert, September 29, 2022
What material is this made from? Expert Answer

The Geissele AR-10/SR25 Reaction Rod is made from 4140 Chrome Moly Steel and is ground to the exact diameter. It will enter the upper receiver with no wobble.

by Ethan, Gear Expert, August 29, 2022
Customer Reviews
Helpful Positive Review
Best tool installing a barrel nut! by Sergei Brown, Verified Owner, May 4, 2021
Great rod but the weight is ridiculously HEAVY (4 stars). This tool wont get much use due to it being for. 308 but nice to have on standby. That same weight caused a mishap during the delivery of this item. Fortunately O.P. customer service resolved ...
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1/2 found this helpful
Helpful Positive Review
Geissele Reaction Rod by Ken, Verified Owner, December 15, 2018
Own a Sig 716 and could not find any supplier who made a upper receiver block to securely hold the upper while working on it. Purchased the Geissele Reaction Rod for the AR10 and was the perfect solution for holding the upper receiver while changing ...
Read More...
1/1 found this helpful
Helpful Positive Review
The best tool for assembling the AR-10/SR25 by Sharpy, Verified Owner, March 21, 2016
This is my first build to assemble AR-10/ DPMS LR-308 and I could not start until I get this tool. I've heard and see some folks putting together AR-10 with not so good results, marring the upper or worst by by cracking it. That gets expensive. This ...
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4/4 found this helpful
Helpful Negative Review
Does not fit Daniel Defense DD5 V4 .308 by KRAM, Verified Owner, September 25, 2020
Bought this for my AR 10, but it would not completely insert into the lugs in my barrel. I even tried to chamfer the lugs on the reaction rod but still no luck. Maybe it fits most AR 10’s but not all.
4/5 found this helpful
Most Recent Reviews
solid brand, solid interface by Mac, Verified Owner, November 1, 2025
when i started building my own rifles it was few and far between so the "cheap" mounting systems worked fine but when i scaled up to using higher quality parts and a higher quantity i started breaking the cheap ones and decided to do some research on...
Read More...
Most Recent Reviews
WARNING*Will not work with HK MR762 by Mark Jordan, Verified Owner, June 28, 2025
This is an excellent product and I have many from this company and I'm sure this is built perfectly for the AR-10 but it will not work with the h&k 762. It will not even go into the throat for the bolt. It's too large for the h&k bolt cut out.
Read All 18 Reviews

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Finish:
Black
Gun Model:
AR-10, SR-25
Gun Type:
Rifle
Caliber:
.308 Winchester, 7.62x51mm NATO
Color:
Black
Condition:
New

Code: 1TO-RB0-10-247-EE

MPN: 10-247

UPC: 854014005304

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List: $202.98Save $3.49
$199.49

made-in-usa-flag Made in USA

Help support American manufacturing! Marked models of this product have gone through rigorous review and been certified by the manufacturer as Made in the USA.

Product Info for Geissele AR-10/SR25 Reaction Rod

Some installations on your rifle can be tedious and detrimental to the quality of the parts. Use this Geissele AR-10/SR25 Reaction Rod to simplify these installations and perform them in a much safer manner that will preserve the quality of your rifle for years to come. These Receiver Vise Blocks & Reaction Rods by Geissele are designed to be gripped in a bench vise so that it is either horizontal or vertical in position. From there, you can slide your upper receiver onto the rod which secure the barrel extension. In turn, this allows all the torque from the barrel nut wrenches to go directly into the barrel extension. Use this Geissele AR10/SR25 Reaction Tool to easily remove or install barrels, flash hiders, gas blocks, and handguards without compromising the quality of your weapon. For further convenience, you don't need to remove any sights or mounts from your receiver's M1913 rail during installations. Keep it simple and safe and use the Geissele Installation Rod for all of your replacement needs.image

WARNING: California`s Proposition 65

Specifications for Geissele AR-10/SR25 Reaction Rod:

Manufacturer: Geissele
Finish: Black
Gun Model: SR-25, AR-10
Gun Type: Rifle
Caliber: 7.62x51mm NATO, .308 Winchester
Color: Black
Condition: New
Projectile Caliber: .308 Caliber
Country of Origin: USA
Quantity: 1

Package Contents:

  • Geissele AR10/SR25 Reaction Rod

Geissele AR-10/SR25 Reaction Rod Orderable Models

List of Orderable Models

  • Geissele AR-10/SR25 Reaction Rod 10-247 , MPN: 10-247 , UPC: 854014005304 , Code: 1TO-RB0-10-247-EE

Geissele AR-10/SR25 Reaction Rod Unavailable & Discontinued Models

List of Unorderable Models

  • DEMO, Geissele AR-10/SR25 Reaction Rod , MPN: 10-247-DEMO , Code: 1TO-RB0-10-247-DEMO
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