Hornady 81353 Superformance 257 P Roberts 117 GR SST 20 Rounds

Name: Hornady 81353 Superformance 257 P Roberts 117 GR SST 20 Rounds
Brand: Hornady
SKU: 81353-090255813531
Price: 51.99 USD
Availability: InStock

Overview

Built for hunters who want a faster option in a classic hunting caliber, this ammunition is intended for field use and target shooting alike. It uses Hornady’s Superformance line with progressive propellants and consistent components to support dependable shot-to-shot performance. Chambered in .257 Roberts with a 117-grain SST bullet, it comes packaged 20 rounds per box and lists a muzzle velocity of 2945 fps and muzzle energy of 2253 ft lbs. It is also described as safe for use in semi-autos, lever guns, and pump actions, giving it broad compatibility across firearm types.

Why Hunters Choose the Hornady

Superformance Load

Is designed to deliver higher

Uses Progressive

Propellants for a performance-focused hunting

High-quality Cases

Primers support consistent components for

Safe Use

In semi-autos, lever guns, and

257 Roberts

117 gr SST configuration suits

Key Features

Hornady Superformance ammunition in 257 Roberts caliber with 117 gr SST bullets.
Designed for hunting and target shooting with progressive propellants.
Uses high-quality cases and primers for consistent components.
Advertised as 100 to 200 fps faster than conventional ammunition.
Safe for use in semi-autos, lever guns, and pump actions.
Packaged with 20 rounds per box and brass casings.

Best Used For

Hunters using 257 Roberts rifles for general big-game hunting applications
Shooters wanting a 20-round box for range confirmation and field carry
Owners of semi-autos, lever guns, or pump actions seeking compatible ammunition
Users who prefer factory-loaded ammunition with consistent cases and primers

Specifications

Bullet Type	SST
Bullet Weight	117 gr
Caliber	257 Roberts
Casing Material	Brass
Muzzle Energy	2253 ft lbs
Muzzle Velocity	2945 fps
Rounds Per Box	20
Upc	090255813531

Pros

Superformance load is designed to deliver higher speed than conventional ammunition.
Uses progressive propellants for a performance-focused hunting and target load.
High-quality cases and primers support consistent components for reliable shooting.
Safe for use in semi-autos, lever guns, and pump actions.
257 Roberts 117 gr SST configuration suits hunters seeking a proven cartridge option.
20-round box provides a practical quantity for range sessions or field use.

Considerations & Trade-offs

This load is built around Superformance performance, so it may not be the right choice if you prefer standard-velocity ammunition or are tuning for traditional factory ballistics.
The 20-round box count is practical for hunting use, but it offers limited quantity for high-volume range sessions.
It is listed as safe for use in semi-autos, lever guns, and pump actions, but shooters should still confirm compatibility with their specific firearm and intended application.
The SST bullet design and 117 gr weight are fixed on this load, so it is not a flexible option if you want a different bullet style or weight in .257 Roberts.

Suggested Comparisons

257 Roberts ammunition
Hunting ammunition
Target shooting ammunition
Brass-cased centerfire rifle ammunition

Suggested Accessories

Ammunition storage box
Hearing protection
Rifle cleaning kit
Ballistic calculator

Frequently Asked Questions

What caliber is this Hornady Superformance load chambered in?

This ammunition is chambered in 257 Roberts.

What bullet type and bullet weight does this box use?

It uses an SST bullet at 117 grains.

How many rounds are included per box?

There are 20 rounds per box.

What muzzle velocity and muzzle energy are listed for this load?

The listed muzzle velocity is 2945 fps and the muzzle energy is 2253 ft lbs.

Is this ammunition stated to be safe for all firearm types?

Yes. The product description says it is safe for use in all firearm types, including semi-autos, lever guns, and pump actions.