AR-15 1/2x28" .223/5.56 Muzzle Brake

• 6061-T6 aluminum
  
• Smooth matte black finish
  
• 6- 45 degree port holes 
  
• Length: 6"
  
• 1/2"x28 thread pitch
  
• Fits: AR-15
• Milled Wrench Flats 
• Milled Pin and weld pilot hole bottom and top 0.121
• Outside diameter .992