Features: 

• Multi-port design reduces felt recoil up to 76% (depending on caliber)
• Top and side ports direct gases to reduce muzzle rise
• Closed bottom design reduces dust signature during firing
• Rugged all-steel construction
• Multi-caliber design fits most rifle barrels .30 caliber or smaller with a 5/8"-24TPI or 1/2"-28TPI threaded muzzle. (Barrel shoulder must be at least .700" to install)