The Barrett MRADELR .416 Barrett 36" Heavy 1:12" 6-Groove Barrel & Bolt Assembly is a precision-engineered conversion kit designed to maximize the extreme-range performance of the MRAD platform. Featuring a 36-inch heavy contour barrel with a 1:12" twist rate and 6-groove rifling, the assembly is optimized to stabilize the powerful .416 Barrett cartridge for superior accuracy and ballistic consistency at ultra-long distances. The kit also includes a .416 Barrett-specific bolt assembly, factory-matched to the barrel to ensure perfect headspacing, reliability, and seamless installation in the MRAD’s quick-change system. Crafted from match-grade steel and finished to Barrett’s exacting standards, this assembly is ideal for ELR competitions, military applications, and serious long-range shooters seeking maximum precision and durability. The 19680 kit extends the MRAD platform’s capabilities, offering plug-and-play compatibility with the ELR configuration for uncompromised performance.