AR15 BAR Barrel Nut and Shims
The AR15 BAR Barrel Nut is required for Aero Precision BAR style handguards. This Barrel Nut is compatible with only Mil-Spec Upper Receivers. Comes with (1) BAR Barrel Nut and a BAR Shim Pack (4 shims). The shims are used to clock the Barrel Nut in order to align the cleance holes with the gas tube.
Please Note: All Aero Precision Handguards use the BAR interface. If you intend to connect an Aero Precision Handguard to a standard threaded upper receiver, you will need a BAR Barrel Nut. If you have an M4E1 Enhanced Upper Receiver, you do not need a BAR Barrel Nut as the barrel nut and rail mounting platform are forged directly on to the upper receiver itself. *Recommended torque settings between 30 - 45 ft lbs. Torque over 45 ft lbs may result in damage to the barrel nut.
- 7075-T6 Aluminum
- Black Anodize coating
- Torque with standard AR15 Armorer's wrench (does not work with Magpul Armorer's wrench) - not included
- Supports Mil-Spec AR15 Barrels with outer diameters up to .998 inch
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