The LANTAC USA LLC LAM-556FH-PBL Lamprey Flash Hider represents the pinnacle of engineering excellence, offering industry-leading performance for discerning shooters. Designed with state-of-the-art technology and a patented four-tine configuration, this flash hider significantly minimizes muzzle flash, enhancing tactical effectiveness during low-light conditions. Includes Timing Shim Set for precise alignment Compatible with 1/2X28 to Plan B Thread systems Lantac recommends using semi-permanent Thread Locker Rocksett (sold separately) for optimal performance Elevate your shooting experience with the unmatched reliability of the LANTAC Lamprey Flash Hider.