KAK Industry AR15 Flash Can 1/2-28
The bore will allow a 9mm to pass through.

This is a solid 6061 aluminum device that is designed to direct muzzle gases and the muzzle flash forward. Threaded 1/2-28 for 5.56 or similiar weapons. 

This device is not designed to reduce recoil muzzle rise or flash signature. This device is designed to direct gasses and noise forward away from the shooter and enhance the weapons appearance.

• 1.36 dia
• 3.25 long
• 6061 aluminum
• Black hard anodized finish
• 4.2 oz
• 3/4 wrench flats
• Crush washer not included