Product Description Spike&';s Tactical A2 birdcage flash hider is a classic flash suppressor design commonly found on M4/M16-style and AR-15 rifles. Built for 5.56 NATO platforms, it features a durable heavy phosphate finish and uses standard 1/2x28 threads for broad compatibility. A mil-spec crush washer is included to help with proper timing and installation. Product Highlights A2 birdcage-style flash hider helps reduce visible muzzle flash on 5.56 NATO / AR-15 platforms Standard 1/2x28 thread pitch fits many .223/5.56 barrels Includes a mil-spec crush washer for installation and timing Heavy phosphate finish for rugged corrosion resistance and long service life Ideal replacement or upgrade muzzle device for M4/M16 and AR-15 style rifles Specs Product Type: Flash hider / flash suppressor Style: A2 birdcage Caliber Compatibility: 5.56 NATO (commonly used with .223 Rem/5.56) Thread Pitch: 1/2x28 Finish/Color: Heavy phosphate, Black Included: Mil-spec crush washer Manufacturer Part Number: SAFH510 UPC: 855319005846 Brand: Spike&';s Tactical Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&';s manufacturer.