(L)oud (A)nd (F)lashy (14)mmLH threads. The LAF (Loud And Flashy) is a LARGE single chamber muzzle brake designed to enhance sound and flash, while reducing recoil and muzzle rise! Specifications for JMac Customs LAF 14-1LH Flash and Sound Enhancing Muzzle Brake: Manufacturer: JMac Customs Color: Black Finish: Nitride Fabric/Material: 17-4PH stainless steel Threads per Inch: 14x1 LH Gun Make: Kalashnikov Length: 1.5 in Weight: 4.58 oz Features of JMac Customs LAF 14-1LH Flash and Sound Enhancing Muzzle Brake Flash and Sound Enhancing Muzzle Brake Package Contents: JMac Customs LAF 14-1LH Flash and Sound Enhancing Muzzle Brake