JE Machine Tech AR-15/M4 Muzzle Brake 5.56x45mm NATO/.223 1/2x28 Thread 4140 Manganese Phosphate Black. . Developed using several of the very most robust and dependable resources available these Muzzle Brakes & Compensators via JE Machine Tech will present you with an item which gives you years of consistency. JE Machine Tech has been making superior quality merchandise for a number of years and the JE Machine Tech AR-15/M4 Muzzle Brake is their way of demonstrating how much they care. At OpticsPlanet we ensure that it is our obligation to receive the best solution for all of your requirements and featuring the JE Machine Tech AR-15/M4 Muzzle Brake is one thing that we're happy to offer. Specifications for JE Machine Tech AR-15/M4 Muzzle Brake: Manufacturer: JE Machine Tech Color: Black Caliber: 5.56x45mm NATO Finish: Manganese Phosphate Fabric/Material: 4140 Steel Threads per Inch: 1/2x28 Gun Model: M4 AR-15 Condition: New Features ofJE Machine Tech AR-15/M4 Muzzle Brake Machined 4140 Steel Six-Ports Manganese Phosphate Black Package Contents: JE Machine Tech AR-15/M4 Muzzle Brake What firearm models does the manufacturer say JE Machine Tech AR-15/M4 Muzzle Brake is compatible with? The manufacturer says that JE Machine Tech AR-15/M4 Muzzle Brake is compatible with AR-15 M4JE Machine Tech PS-MZ6: Muzzle Brake AR-15/ M4 5.56x45mm NATO/ .223 1/2x28 Thread 4140 Manganese Phosphate Black