Hornady Superformance ammunition in .257 Roberts +P (brand part no. 81353) is built for hunters who need a proven big-game cartridge they can count on. Hornady backs this load with the quality control shooters expect from a name they already trust. At the heart of this load is the 117 gr bullet with an SST design, matched to the .257 Roberts +P platform shooters already run. In our rifle ammunition lineup, this is the Hornady load built for that job.

Key Specifications

• The chambering is .257 Roberts +P, a proven big-game cartridge with decades of field results behind it.
• The bullet weighs 117 gr, sized for the terminal performance this load is built around.
• The projectile is an SST design, built to penetrate and transfer energy for a clean, ethical harvest.
• The case is Brass, the standard for reliable extraction and smooth reloading.
• Each box holds 20 rounds, enough to work with before needing to reorder.
• Cost works out to about $2.12 per round, affordable enough to shoot as much as you train.
• The box ships at approximately 1.08 lbs, worth knowing before you check out on a multi-box order.
• This is a centerfire cartridge, ignited by a replaceable primer rather than a rimfire priming ring.
• Superformance propellant technology adds up to 200 feet per second of muzzle velocity over a standard load in the same caliber without extra chamber pressure or felt recoil.
• The SST’s polymer tip drives into the jacket on impact, initiating rapid, controlled expansion for reliable energy transfer on game.

Frequently Asked Questions

How many rounds come in a box? Each box holds 20 rounds of .257 Roberts +P.

Is the brass reloadable? The case is brass, which handloaders can typically resize and reload for repeat use.

Buy the Hornady Superformance .257 Roberts +P 117 gr SST, 20-Round Box

Grab a case if you shoot it regularly, or a box to see how it patterns and cycles through your gun first. Order from our Lubbock, Texas gun shop and it ships fast to your door.