Product DescriptionManufactured to high quality standards and featuring a patented design, the LanTac Lamprey Flash Hider is built to help reduce muzzle flash signature on 5.56 platforms. Its distinctive four-tine, "toothed" geometry is engineered to disrupt and cool escaping gases more efficiently to reduce flash intensity and duration. This short flash hider also supports mounting with a Plan B HUB interface and includes a timing shim set for proper installation.Product Highlights Patented four-tine "toothed" design helps reduce visible flash signature and duration Short configuration for a compact muzzle device setup 1/2x28 muzzle threads with Plan B HUB mounting compatibility Includes timing shim set to aid in correct timing/alignment during installation Manufacturer recommends semi-permanent Rocksett thread locker (sold separately)Specs Brand: LanTac USA LLC Product Type: Flash Hider Caliber: 5.56 NATO Thread Pitch: 1/2x28 Mount Compatibility: Plan B HUB Configuration: Short Included: Timing shim set Finish/Color: QPQ finish, Black Manufacturer Part Number: LAM-556FH-PBS UPC: 614347656884Disclaimer: 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.