Geissele Reaction Rod for Mil-Spec AR15 Upper Receivers
![Geissele Reaction Rod for Mil-Spec AR15 Upper Receivers](https://www.evike.com/images/large/gei-82944.jpg)
![](https://cdn11.bigcommerce.com/s-m9miajui7/images/stencil/1280x1280/products/1031/1970/armors-m4-barrel-spline-socket-rod-1__52702.1376343637__63121.1680294998.jpg?c=1?imbypass=on)
Upper Receiver Barrel Spline Socket Rod AR15/M4 buy with delivery
![](https://cdn11.bigcommerce.com/s-zkbvw/images/stencil/1280x1280/g/apixsilqm__18711.original.jpg)
Geissele Automatics Reaction Rod for AR10/SR25 Upper Receivers - Hero Outdoors
![](https://www.evike.com/images/geissele-82895-sm.jpg)
Geissele Automatics - Airsoft Superstore
![](https://www.weaponoutfitters.com/media/catalog/product/cache/0be7f46d68704734d9f31033473b2450/r/e/reaction_rod_1_.jpg)
Weapon Outfitters Homepage Geissele Automatics AR-15/M4 Reaction
![](https://cdn.geissele.com/media/catalog/product/cache/91f36b3065dccd45c97fe249d8cd662a/b/a/barrel-nut-wrench_april2020.jpg)
Barrel Nut Wrench
![](https://cdn11.bigcommerce.com/s-h424xqhs5x/images/stencil/1280x1280/products/11429/82454/midwest-industries-midwest-upper-receiver-rod__33656.1672018957.jpg?c=1?imbypass=on)
Midwest Upper Receiver Rod
![](https://www.evike.com/images/airtech-90073-sm.jpg)
GEISSELE Automatics Gas Block Pin Punch Set, Accessories & Parts, Tools - Airsoft Superstore
![](https://cdn11.bigcommerce.com/s-50c7cl/images/stencil/1280x1280/products/2705/15830/GEI10-169_2_HR__02626.1618681596.jpg?c=2?imbypass=on)
Geissele Reaction Rod - 556
![](https://www.recoilweb.com/wp-content/uploads/2023/08/WC-Upper-Build-19.jpg)
How To Build An AR-15 Upper [Hands-On Guide]
![](https://www.vltor.com/wordpress/wp-content/uploads/2014/08/MUR-1A-G-Front.jpg)
MUR: Modular Upper Receiver
Geissele Reaction Rod for AR-15 Upper Installation