Product Description The Yankee Hill Machine Co Mini Quick-Detach (QD) Muzzle Brake is engineered for use with YHM fast-attach sound suppressor systems and features a 9mm bore for modern 9mm platforms. Built for competitive and performance-focused shooters, this compact brake measures just 1.6 inches long and weighs only 3.2 ounces, helping reduce added length and weight at the muzzle. Designed to be comfortable and effective whether shooting suppressed or unsuppressed, it features a durable phosphate finish and includes a shim set to help properly time the brake during installation. Product Highlights Mini QD muzzle brake designed for YHM fast-attach suppressor mounting systems Compact 1.6-inch overall length helps minimize added muzzle length Lightweight 3.2 oz design for balanced handling on competitive setups 9mm bore for compatibility with 9mm firearms and builds Phosphate finish with included shim set for accurate barrel timing Specs Brand: Yankee Hill Machine Co Manufacturer Part Number: YHM-3109-1MB-28A UPC: 841812102014 Product Type: Mini QD muzzle brake Bore: 9mm Thread Pitch: 1/2"-28 Overall Length: 1.6" (adds approx. 1" to overall barrel length) Weight: 3.2 oz Finish: Phosphate Included: Shim set for barrel timing 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.