Designed to meet the uncompromising accuracy specifications of law enforcement tactical units, Weatherby’s Threat Response Rifle (TRR) comes in three models: TRR for .223 Remington and .308 Winchester cartridges; TRR Magnum for .300 Winchester magnum, .30-378, and .338-378 Weatherby Magnum cartridges; and TRR Magnum Custom, which offers all the features and capabilities of the TRR Magnum plus an adjustable ergonomic stock.