The Daniel Defense Delta 5 Reaction Rod is an essential tool for installing or removing the barrel assembly on DELTA 5 and DELTA 5 PRO bolt-action rifles. Made from stainless steel, this reaction rod is designed to be held in a vise, providing stable support for the action while torque is applied to the barrel nut. The hardened tool steel lug engages the bolt lug raceway, ensuring precise alignment and secure positioning. Ideal for gunsmiths and DIY enthusiasts, this reaction rod simplifies barrel changes and maintenance.