Weatherby .338 WBY RPM 185gr Barnes TTSX – 20rd Box

Weatherby Select Plus .338 WBY RPM ammunition loads a 185 grain Barnes TTSX projectile into the rebated precision magnum case to deliver magnum-level velocity from a lightweight action. Introduced as part of the .338 WBY RPM family, this load is offered in 20-round boxes and is built on brass cases. The published performance values list a muzzle velocity of 3100 fps and muzzle energy of 3947 ft lbs.

Key Specifications

• The cartridge is .338 WBY RPM.
• The bullet weight is 185 gr.
• The bullet type is Barnes TTSX Boat Tail.
• The ammunition ships 20 rounds per box.
• The packaging is 10 boxes per case.
• The cases are made from brass.
• The listed muzzle velocity is 3100 fps.
• The listed muzzle energy is 3947 ft lbs.

Combining the .338 WBY RPM platform with a 185 gr Barnes TTSX projectile produces a high-performance hunting and precision option for shooters who prioritize flat trajectories and magnum-class ballistics from a modern lightweight action. Built on brass cases and packaged in 20-round boxes, this load supports long-range and large-game field use while maintaining consistent factory construction and published performance figures.