- 1/2"-28 Thread Muzzle Brake for AR15, M4, M16, from 5.56, .223 to 9mm Bullet
- Hole Diameters: 6 mm and 9.5mm two sizes (please email us your need Dia with order)
- 45mm /1.8" length
- CNC Machining,
- steel,
- Black
Shipping from Michigan warehouse, USA in 1 day.
Return and refund within 1 month,
Replace within 1 year if quality problem.