Hornady Superformance .260 Remington 129gr SST 20/Box $55.95 $36.62 Hornady Superformance .260 Remington 129gr SST 20/Box delivers muzzle velocity increases up to 200 feet per second without extra chamber pressure, recoil, muzzle blast, temperature sensitivity, fouling, or loss of accuracy. This ammunition... Compare Choose Options