KAK Industry Plan B Big Hole Brake - 5/8X24 Thread Pitch, .375" Bore The KAK Industry Plan B Big Hole Brake is a precision-machined muzzle device engineered for reliable, repeatable lockup and an airtight seal between the muzzle device and suppressor adapter. Featuring a taper-then-thread design, this brake ensures consistent indexing every time it is installed. Fully compatible with Plan B suppressor hubs, it is an ideal solution for shooters looking to integrate suppressor-ready functionality with a high-quality muzzle brake. Manufactured entirely in-house at KAK Industry from 17-4 stainless steel and finished in a durable nitride coating, this brake delivers exceptional corrosion resistance and long-term durability. Installation is recommended with Rocksett thread-locking compound at 20-25 ft-lbs of torque for a secure, gas-tight fit. Product Highlights Plan B Compatible Design: Taper-and-thread interface ensures repeatable lockup and a proper seal with Plan B suppressor hubs for consistent, reliable suppressor attachment. Premium 17-4 Stainless Steel Construction: Fully machined in-house at KAK Industry for superior strength, precision, and longevity. Nitride Finish: Black nitride treatment provides outstanding corrosion resistance and a sleek, matte appearance that holds up under hard use. 13/16" Milled Flats: Integrated wrench flats allow for easy, precise installation using standard tools with the recommended 20-25 ft-lbs of torque. 5/8X24 Thread Pitch / .375" Bore: Designed specifically for rifles with 5/8X24 threaded muzzles and a .375" bore diameter, offering a precise, purpose-built fit. Specs Brand: KAK Industry Model: Plan B Big Hole Brake Thread Pitch: 5/8X24 Bore Diameter: .375" Overall Length: 1.850" Material: 17-4 Stainless Steel Finish: Nitride (Black) Milled Flats: 13/16" Compatibility: Plan B Suppressor Hubs Recommended Installation: Rocksett, 20-25 ft-lbs torque Manufacturer Part Number (MPN): 411-2103-003 UPC: 811163036696 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. ]]>