KAK Industry XM177 Flash Hider for AR-15 5.56 NATO – 1/2×28 Thread, Phosphate Finish, Black (411-1702-009)

• XM177 style flash hider designed to reduce muzzle flash on 5.56 rifles
• Features extended length design approximately 4.678 inches for barrel compliance applications
• Compatible with AR-15 platforms using 1/2x28 thread pitch barrels
• Phosphate coated finish provides corrosion resistance and durable surface protection
• Heat treated construction supports durability during repeated firing conditions
• Crush washer not included and required for proper installation

The KAK Industry XM177 Flash Hider 556NATO 1/2×28 Phosphate Black is a flash hider designed for muzzle installation on AR-15 rifles chambered in 5.56 NATO. This flash hider features a 1/2×28 thread pattern and a phosphate coated black finish with a 4.678 inch overall length.

The KAK Industry XM177 Flash Hider is heat treated and phosphate coated, providing defined durability and finish characteristics. The device is clone correct for Colt 649, 639, 619, and 620 models as well as XM177 series rifles. It includes an integrated grenade ring design and supports installation with a hidden crush washer configuration, though the washer is not included. This flash hider is used for AR-15 builds requiring a retro style muzzle device. In standard configurations, the extended length can contribute to overall barrel length requirements when pinned and welded for compliance.