257 Roberts +P 117 gr SST® Superformance® - Hornady Manufacturing, Inc
https://www.hornady.com/ammunition/rifle/257-roberts-p-117-gr-sst-superformance
Web Result257 Roberts +P 117 gr SST® Superformance®. 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, ® CX,™ and InterLock, …
DA: 64 PA: 17 MOZ Rank: 69