Product Description The Yankee Hill sRx QD Mini Muzzle Brake is built for shooters who want a sleek, low-profile suppressor-ready setup with fast, repeatable mounting. Designed for the YHM sRx (Suppressor Rx) system, this compact brake uses an internal taper seal ahead of the threads to help lock the suppressor in place and create a tight seal that helps keep gas and debris off the threads during use. The QD mounting interface is compatible with the industry-standard HUB 1-3/8 x 24 suppressor thread pattern and is intended to be used with the YHM sRx Adapter (YHM-4400). Finished in black phosphate on steel, it&';s made to withstand hard use while adding minimal length and weight to your build. Product Highlights Quick-detach sRx mini muzzle brake designed for a clean, low-profile suppressor setup Internal taper seal helps create a secure mount and reduces thread fouling from gas and debris HUB-compatible interface: designed to work with 1-3/8 x 24 suppressor threads via the sRx system 5/8-24 barrel threading and 9mm (and smaller) compatibility for common pistol-caliber carbines and rifles Durable black phosphate finish on steel for corrosion resistance and long service life Specs Brand: Yankee Hill Product Type: Mini Muzzle Brake (Quick Detach) Model/System: sRx Caliber Compatibility: 9mm (0.390 in diameter) or smaller Barrel Thread: 5/8-24 Suppressor Interface: HUB 1-3/8 x 24 (with sRx adapter system) Overall Length (OAL): 1.10 in Diameter: 0.9375 in Material: Steel (4140 steel) Finish: Black phosphate Manufacturer Part Number: 4401MB24 UPC: 841812101512 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.