The M5E1 Handguard Barrel Nut is used to connect Aero Precision M5 Enhanced Handgaurds to Armalite pattern threaded upper receivers. This product comes with 5 shims to properly time the gas tube with the upper receiver.
- M5E1 Handguard Barrel Nut - Armalite Thread
- Shim Pack (5 shims)
- Material: Machined from 1144 Stressproof® Steel
- Coating: QPQ/Melonite
- Torque to 65 ft lbs with a standard AR15 armorer's wrench
POLICY: We cannot accept returns or offer refunds for barrel nuts. It is your duty to make sure that the barrel nut you are ordering from us is correct for your upper receiver, handguard, and/or intended use.