Aero Precision .308 BAR Barrel Nut Assembly - Aero / DPMS Threads

Aero Precision .308 BAR Barrel Nut Assembly - Aero / DPMS ThreadsThe M5E1 Handguard Barrel Nut is used to connect Aero Precision M5 Enhanced Handgaurds to standard AR10 & DMPS pattern threaded upper receivers. This product comes with 5 shims to properly time the gas tube with the upper receiver.Includes:M5E1 Handguard Barrel NutShim Pack (5 shims)Features:Material: Machined from 1144 Stressproof SteelCoating: QPQ/MeloniteTorque to 65 ft lbs with a standard AR15 armorer's wrenchPlease Note: If you intend to connect an Aero Precision Handguard to a standard threaded upper receiver, you will need a M5E1 Handguard Barrel Nut. You will need to select between an Aero/DPMS threaded barrel nut and an Armalite threaded barrel nut, depending on your upper receiver.If you have our M5E1 Enhanced Upper Receiver, you do not need a M5E1 Handguard Barrel Nut as the barrel nut and rail mounting platform are forged directly on to the upper receiver itself.