Hornady Superformance .257 Roberts +P 117 gr SST — 20rd

Hornady Superformance .257 Roberts +P 117 grain SST is a factory-loaded rifle cartridge packaged 20 rounds per box and intended for hunting and field use. Superformance ammunition uses advanced propellants to increase velocity over conventional loads while maintaining safe peak pressures, delivering consistent performance across a range of firearm types. This load features Hornady’s SST (Super Shock Tip) bullet design in a brass case and is suitable for use in semi-automatic, lever, and pump-action rifles where the +P designation is supported. The packaging and component quality are intended to provide reliable function and consistent shot-to-shot performance.

Key Specifications

• The cartridge is .257 Roberts +P.
• The bullet weight is 117 grains.
• The bullet type is SST (Super Shock Tip).
• Each box contains 20 rounds.
• There are 200 rounds per case (10 boxes per case).
• The case material is brass.
• Reloadable: Yes.
• Primary application: Hunting (medium game).
• Sectional density is listed as 0.253.

Hornady’s Superformance .257 Roberts +P with a 117 gr SST bullet is built for shooters who want a reliable, higher-performance factory load for hunting and field work. Its combination of a polymer-tipped SST design and quality components offers a balance of downrange performance and consistent accuracy while remaining suitable for common rifle actions. The cartridge is a practical choice for those seeking a durable, dependable hunting round with carefully engineered components.