The .338 Weatherby RPM (Rebated Precision Magnum) is an advanced cartridge built on the Weatherby 6.5 RPM, expanded to accommodate a .338 Cal bullet. Engineered to maximize performance with Weatherby's 6-Lug action, the .338 RPM delivers magnum-level performance in a lightweight 5lb rifle. Its large body diameter, minimal taper and 35-degree shoulder enhance case capacity, resulting in impressive velocities and high efficiency.
