Weatherby 338 WBY RPM 225 Grain Hornady Interlock

Hightlights:

• General Information:
  
  • Common Reference: 338 Caliber
  • Bullet Diameter: .338" (8.6mm)
  • Bullet Weight: 225 gr.
  • B.C. (G1): .397
  • Max Case Length: 2.57"

• Velocity Data (FPS) – 225 gr:
  
  • Muzzle: 2800
  • 100 yds: 2572
  • 200 yds: 2356
  • 300 yds: 2150
  • 400 yds: 1955
  • 500 yds: 1771

• Energy Data (FT LBS) – 225 gr:
  
  • Muzzle: 3917
  • 100 yds: 3306
  • 200 yds: 2773
  • 300 yds: 2310
  • 400 yds: 1909
  • 500 yds: 1567

• • Bullet Trajectory (Inches) – 225 gr:
    
    • 100 yds: 1.9"
    • 200 yds: "

Missing value

• • 300 yds: -8.2"
  • 400 yds: -23.9"
  • 500 yds: -48.7"

Introduced in 2022 the 338 WBY RPM (rebated precision magnum) maximizes the magnum potential of the lightweight Mark V 6 Lug action. The goal was to fit a large caliber bullet into a lightweight backcountry rifle that could take down all of North America’s big game. The 338 RPM is based off of the 6.5 RPM necked up to accept a .338 caliber bullet. The case features a large body diameter, low body taper, and 35-degree shoulder creating a larger powder capacity, leading to higher velocities.

The 338 RPM is an extremely efficient cartridge and maintains velocity even with 18” barrels which are featured on the Mark V Backcountry lineup.

Hornady® InterLock®
The InterLock® features an exposed lead tip for controlled expansion and hard-hitting terminal performance. A secant ogive design — one of the most ballistically efficient profiles ever developed. The raised ring inside the jacket is embedded in the bullet, combined with the one-piece core, keeps the core and jacket locked together during expansion to retain mass and energy.