Kaw Valley Precision ASR Flash Hider 5/8x32 Black. Designed to effortlessly attach and detach from your firearm brake ensures quick and hassle-free adjustments to your shooting setup without the need for timing or shims. Specifications for Kaw Valley Precision ASR Flash Hider: Manufacturer: Kaw Valley Precision Finish: Nitride Fabric/Material: 17-4 Stainless Steel Weight: 3.04 oz Package Contents: Kaw Valley Precision ASR Flash Hider Kaw Valley Precision KVP-FH-ASR03: ASR Flash Hider 5/8x32 Black