Introducing the AIM AA (A2 style) .223/5.56x45 caliber Flash Hider Muzzle Device for AR type Firearms. Why reinvent the wheel? Robust Military Spec. construction. Features 1/2 in. X 28 TPI threads and includes crush washer.
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WARNING: This product can expose you to chemicals including nickel & chromium, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to - www.P65Warnings.ca.gov