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The M5E1 Handguard Barrel Nut is specifically designed to connect Aero Precision M5 Enhanced Handguards to DPMS pattern threaded upper receivers. This essential kit includes everything you need for a secure fit and optimal performance.
Please Note: If you plan to attach an Aero Precision Handguard to a standard threaded upper receiver, you will require a M5E1 Handguard Barrel Nut. Depending on your upper receiver, you will need to choose between an Aero/DPMS threaded barrel nut or an Armalite threaded barrel nut. If you possess an Aero Precision M5E1 Enhanced Upper Receiver, there is no need for a separate M5E1 Handguard Barrel Nut, as the barrel nut and rail mounting platform are forged directly onto the upper receiver.
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AR .308
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