Product Description The Yankee Hill Machine Co Mini QD Muzzle Brake is a compact, durable muzzle device designed with precise manufacturing for long-term reliability. Built to help reduce recoil and muzzle rise, it also serves as a quick-detach (QD) compatible mount for YHM fast-attach suppressor systems. Ideal for maintaining and upgrading your firearm, this brake features a rugged finish and includes a shim set to help properly time the device during installation. Product Highlights Mini QD muzzle brake designed for YHM fast-attach suppressor systems 1/2x28 thread pitch for common U.S. rifle muzzle threading Compact form factor (approximately 1.6 in overall length) for minimal added length Includes shim set to assist with correct barrel timing during installation Durable construction with precise manufacturing for long-term reliability Specs Brand: Yankee Hill Machine Co Product Type: Muzzle Brake (Mini QD) Thread Pitch: 1/2x28 Overall Length: 1.6 in (adds approx. 1 in to overall barrel length) Weight: 3.2 oz Finish/Color: Phosphate / Black Includes: Shim set (for barrel timing) Through Bore: 0.350 in Manufacturer Part Number: YHM-3102-1MB-28A UPC: 841812100805 Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&';s manufacturer.