KAK Retro AR15 Extended Flash Hider 1/2-28 - 4"

KAK Retro AR15 Extended Flash Hider 1/2-28 - 4"Design inspired by the XM-177 Moderator, this extended flash hider will extend a 12.5" barrel to legal non-NFA length when pin and welded. CNC machined from bar steelHeat treated for strengthPhosphate coated to protect from corrosionThreaded 1/2-28Bore sized for use on both 5.56mm and 9mm barrels5 flash hiding ports, sealed bottom similar to an A2 flash hider4.15" over all length1.0" diameterAdds approximately 3.56" to overall length of barrel when pinned and welded..125" hole pre-drilled for pin and weld