Hornady 257 ROBERTS + P 117gr SST Super performance Ammunition, Velocity: 2945 fps, Muzzle Energy: 2253 ft lbs, 20/Box
Increase your rifle's performance up to 200 fps without extra chamber pressure, recoil, muzzle blast, temperature sensitivity, fouling, or loss of accuracy.
Superformance® uses progressive propellants that take your favorite V-MAX,® NTX,® SST,® GMX,® and InterLock,® bullets to levels of performance that are simply unattainable with conventional ammunition.
It IS rocket science!®
PROVEN HORNADY® BULLETS
Superformance® ammunition is loaded with Hornady® V-MAX,® NTX,® SST,® GMX,® and InterLock,® bullets for the ultimate in performance, no matter what the game.
PROGRESSIVE HORNADY® POWDERS
Superformance® Propellants are the heart of Superformance® ammunition and usher in a new era of performance.
CASE AND PRIMER
Like all Hornady® ammunition, our Superformance® rounds use the highest quality cases and primers available. Consistent components translate to consistent shooting in the field.
IT IS FAST: 100 to 200 fps faster than conventional ammunition. IT IS ACCURATE: Uncompromising accuracy without increased felt recoil. IT IS CONSISTENT: Unfailing performance across a broad range of temperatures. IT IS VERSATILE: This new breed of ammunition is available in 17 Hornet to 444 Marlin, and is safe for use in all firearm types, including semi-autos, lever guns and pump actions. Hornady Item # 81353
WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to – www.P65Warnings.ca.gov.