Next Level Armament AR15 Upper Action Rod Steel. Our team of experts uses an action rod on every upper build for ease of assembly and stability. Since an action rod is an important tool in every builders arsenal we created our own to offer to our customers. Whether you build a new rifle change barrels or handguards or simply change muzzle devices an action rod is a must have tool. Mount the action rod in your vise. Then simply slide it through the upper receiver and into the barrel extension. This provides a stable base when installing barrel nuts and muzzle devices on your upper. Since you are locked into the barrel extension you also prevent applying stress to your upper receiver avoiding damage to your upper while you torque the barrel nut or tighten your muzzle device. Add the AR15 Upper Action Rod to our CAT multi-tool for a great combination of tools to assist you in your next AR15 build. We turn each action rod in house from solid steel then Nitride coat them for strength and durability. Specifications for Next Level Armament AR15 Upper Action Rod: Manufacturer: Next Level Armament Gun Model: AR-15 Gun Make: AR Platform Gun Type: Rifle Fabric/Material: 304 Stainless Steel Weight: 2.2 lb Package Contents: Next Level Armament AR15 Upper Action Rod Next Level Armament NLX2001: AR15 Upper Action Rod Steel