Hornady Superformance .257 Roberts +P 117gr SST

Hornady Superformance .257 Roberts +P Ammunition

Hornady's Superformance line represents a significant advancement in rifle ammunition technology. This .257 Roberts +P loading pairs a 117-grain Super Shock Tip bullet with efficient propellants that achieve velocities up to 200 fps faster than conventional ammunition—without increasing peak pressure or felt recoil.

Performance Characteristics

Ballistics:

• Muzzle velocity: 2,945 fps
• Muzzle energy: 2,255 ft-lbs
• Trajectory: -1.5" at standard test distance
• Delivers flatter trajectories and reduced wind drift for improved accuracy

Design and Construction

The Super Shock Tip bullet features:

• Reliable expansion across a broad range of velocities and distances
• Deep penetration for effective energy transfer on medium game
• Consistent performance in varying temperatures and conditions

Versatility and Safety

This ammunition is safe for use in all firearm types, including semi-automatic rifles, lever-action rifles, and pump-action shotguns. The +P designation indicates this loading is optimized for modern firearms while maintaining compatibility with classic platforms.

Quality and Heritage

Hornady has been manufacturing ammunition since 1949, building a reputation for precision and reliability. Each round is proudly made in the USA and represents the company's commitment to uncompromising accuracy and performance.