KAK RETRO AR EXT FLSH HDR 4″ 1/2X28

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.

Features :

• 1/2X28 Thread Pitch
• “4.15” Overall Length”
• 5 Flash Hiding Ports
• Heat Treated
• Phosphate Coated
• Milled Flats
• “.125″ Pre-Drilled for Pin and Weld”
• Crush Washer Not Included