The Barrett MRAD .300 PRC Conversion Kit (Barrett part no. 18432) lets an existing MRAD chassis owner add a full .300 PRC barreled action without buying a second rifle. Built by Barrett Firearms, this bolt-action conversion kit swaps into the MRAD modular platform in minutes, giving long-range and precision shooters a heavy-hitting magnum option alongside their existing calibers. The .300 PRC cartridge is purpose-built for extended-range work, and pairing it with Barrett’s MRAD system means a shooter keeps the same stock, trigger, and optic zero setup across calibers. It is the kind of upgrade that turns one rifle into a true multi-caliber long-range system.

Key Specifications

• Chambered in .300 PRC, a purpose-built long-range magnum cartridge.
• Built as a bolt-action conversion for the Barrett MRAD chassis system.
• Sold as a complete conversion kit, not a single component, for a full caliber swap.
• Manufactured to Barrett factory tolerances for drop-in fit on compatible MRAD rifles.
• Weighs approximately 7.5 lb as a complete barreled action.

Frequently Asked Questions

What does this kit include? A complete .300 PRC bolt-action conversion for the Barrett MRAD chassis system.

What caliber is it chambered in? .300 PRC, a long-range magnum cartridge.

Does it work with any bolt gun? No, it is built specifically as a conversion kit for the Barrett MRAD platform.

Buy the Barrett MRAD .300 PRC Conversion Kit

Expand your MRAD system with this kit from our rifle barrels lineup. Order through our Lubbock, Texas gun shop for fast, insured shipping to your FFL.