KAK's Retro AR Extended Flash Hider, inspired by the XM-177 Moderator, is engineered to extend a 12.5" barrel to a legal non-NFA length when pin and welded. This accessory is ideal for range time and training, showcasing KAK's commitment to innovation.\n\nKey Features:\n- Manufacturer: KAK\n- Model: Retro Extended Flash Hider\n- Product Type: Flash Hider\n- Mounting System: 1/2X28 Thread Pitch\n- Weight: 0.44 lbs\n- Length: 4.15"\n- Material: Phosphate Coated Steel\n- Unique Features: 5 Flash Hiding Ports, Heat Treated, Milled Flats, Pre-Drilled for Pin and Weld\n- What's In The Box: Crush Washer Not Included