KNS' DiSCARder gives the user the ability to safely user a wider variety of ammunition and reduce the rate of fire able group velocity. Installation and adjustments do not require tools! The DiSCARder reduces venting of gas from the chamber area. No Internal Moving Parts Tool-less Installation Tool-less Adjustment Tactile Detent & Laser-Marked Adjustments 13 Unique Positions 3 Additional Jet Inserts & Tool to accommodate range-quality ammunition. Nitride & Nickel Boron Finish to prevent corrosion Compact Size Allows Suppressed Use On Short Factory Barrels Reduces Speed of Bolt Carrier Reduces User-Felt Recoil Mfg: Kns Precision, Inc.