Product DescriptionThe LanTac Dragon Plan-B HUB Mount muzzle brake is built to high quality standards and features a patented design engineered to improve recoil management and reduce muzzle rise. Its unique Short Energy Pulse system helps shorten the recoil impulse so repeating shot energy does not overlap and disrupt the shooter's sight picture. Designed for .223/5.56 platforms with 1/2x28 muzzle threads, this full-length Dragon brake includes a timing shim set and provides Plan-B HUB compatibility for suppressor mounting systems that use the Plan-B interface.Product Highlights Patented Dragon brake design for improved recoil control and reduced muzzle climb Short Energy Pulse system helps keep rapid follow-up shots on target Plan-B HUB mount interface with 1/2x28 muzzle threading Includes timing shim set for proper alignment during installation Precision-machined steel construction with a black nitrided finish for durabilitySpecs Brand: LanTac USA LLC Model: Dragon (Plan-B / Plan-B HUB) Product Type: Muzzle Brake Caliber: .223 / 5.56mm Muzzle Thread: 1/2x28 Interface: Plan-B HUB Material: AISI 4140 steel Finish/Color: Black, nitrided Overall Length: 2.575 in Mount Diameter: 0.9 in Included: Timing shim set Country of Manufacture: USA UPC: 614347573259 Part Number: DGN556B-PBLDisclaimer: 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.