KAK Industry Retro 1/2-28 AR-15 6" Extended Flash Hider

Design inspired by the XM-177 Moderator, this extended flash hider will extend a 10.5" barrel to legal non-NFA length when pin and welded.Features: CNC Machined from Bar Steel Heat Treated For Strength Phosphate Coated to Protect from Corrosion Threaded 1/2-28 Bore Sized for Use on Both 5.56mm and 9mm Barrels 5 Flash Hiding Ports, Sealed Bottom Similar to an A2 Flash Hider 6.15" Over All Length 1.0" Diameter Adds Approximately 5.56" to Overall Length of Barrel when pinned and welded. 125" Hole Pre-Drilled for Pin and weld Weight: 9.7Oz Requires Standard .750" Wrench for Installation