AR-15 Flat Tanker Ported Steel Muzzle Brake 1/2x28 BLACK NITRIDE

Features: 

CNC Machined out of 4150 Steel 

Caliber: .223REM/5.56

Finish: Nitride

Thread Pitch: 1/2x28

Reduces recoil and muzzle rise

Made in USA

Length: 2.479

Width: 0.871

Height: 0.755