Weatherby M65Rpm124Hcb 6.5 Wby Rpm 124Gr Hamr 20/10
The Weatherby M65RPM in 6.5 Wby RPM with 124-grain HAMR ammunition represents a purpose-built pairing for hunters seeking dependable performance in a modern, efficient cartridge. This load delivers the ballistic advantage of the 6.5 Wby RPM—Weatherby's proprietary belted magnum—with a bonded, expanding bullet designed for controlled penetration and energy transfer on medium to large game. If you're building a rifle around Weatherby's RPM platform or handloading for accuracy, understanding this factory round's behavior is essential to maximizing your rifle's potential.
The 6.5 Wby RPM itself is a high-velocity, short-action-friendly magnum cartridge that balances powder efficiency with flat trajectory and retained energy at extended range. The 124-grain HAMR bullet—a monolithic copper round with a hollow cavity—provides reliable expansion while maintaining structural integrity, making it a solid choice for hunters who demand both accuracy and ethical terminal performance. Factory ammunition lets you verify your rifle's true velocity and point-of-impact before reloading or handload development.
This ammunition comes packaged as 20 rounds per box with 10 boxes per case, giving you flexibility to buy single boxes for testing or stock a full case for the season. Whether you're developing loads at the bench, verifying zero before a hunt, or simply using factory ammunition for reliability, the Weatherby M65RPM 124-grain HAMR round fits shooters who trust the Weatherby RPM ecosystem and want ammunition matched to their rifle's design.

