Minimizes muzzle flash to counteract the flash's negative effects on the shooter's night vision - Proprietary design virtually eliminates the annoying tuning-fork effect that's common with prong-style flash hiders - Sleek unobtrusive design - Purpose-built for tactical use - Caliber: .22 - Includes: crush washer for installation - Material: 416 stainless steel - Finish: black nitride - Length: 2.25 - Weight: 2 oz.