Barrett Fluted Barrel Conversion Kit Features The Barrett Fluted Barrel Conversion Kit is built around a 26 inch fluted barrel chambered in .300 Win Mag giving MRAD/MK22 owners a proven long-range magnum cartridge option within their existing rifle chassis. Fluting reduces barrel weight and increases surface area for improved heat dissipation during extended strings of fire which helps maintain accuracy across a shooting session. The included Barrett muzzle brake helps manage recoil from the .300 Win Mag cartridge keeping the rifle more controllable for fast follow-up shots at distance. A matching bolt head and magazine are included specifically for the .300 Win Mag conversion ensuring proper headspacing and feeding without requiring separate purchases. Every component ships inside a Barrett-branded ZCORR anti-corrosion bag protecting the barrel and hardware from moisture and rust during storage or transport between range sessions. Owners of earlier MRAD models may need an additional large-to-small breech conversion kit to complete the swap a detail worth checking before ordering. This conversion system reflects the modular design philosophy behind the MRAD platform letting a single rifle chassis serve as a multi-caliber long-range system. For Barrett MRAD/MK22 owners who want to add .300 Win Mag capability to their rifle the Barrett Fluted Barrel Conversion Kit is available for sale at GrabAGun. Barrett MRAD Conversion Kit Specifications Brand: Barrett Fits: Barrett MRAD/MK22 Caliber: .300 Win Mag Barrel Length: 26 Barrel Profile: Fluted Includes: Barrel Muzzle Brake Bolt Head Magazine ZCORR Bag Color: Black Available At: GrabAGun