Superformance uses progressive propellants that take your favorite V-MAX, NTX, SST, CX, and InterLock, bullets to levels of performance that are simply unattainable with conventional ammunition.
Choose a configuration
6 mm Remington
308 Winchester
243 Winchester
7mm-08 Remington
6.5 Creedmoor
30-06 Springfield
338 Winchester Magnum
25-06 Remington
444 Marlin257 Roberts
6.5x55mm Swedish MauserOut of stock configurations
Ammunition, Gun Store
Hornady – Superformance — 257 Roberts · 117 Grains · SST · 20
$52.99
81353
Hornady, Superformance, 257 Roberts
117 Grain, SST, 20 Round Box
Superformance uses progressive propellants that take your favorite V-MAX, NTX, SST, CX, and InterLock, bullets to levels of performance that are simply unattainable with conventional ammunition.
Availability: 124 in stock
- Case Type
- Brass
- Bullet Type
- SST
- Caliber
- 257 Roberts
- Bullet Grain Weight
- 117 Grains
- Rounds Per Box
- 20
- Muzzle Velocity
- 2945 FPS
- Manufacturer
- Hornady
| Case Type | Brass |
|---|---|
| Bullet Type | SST |
| Caliber | 257 Roberts |
| Bullet Grain Weight | 117 Grains |
| Rounds Per Box | 20 |
| Muzzle Velocity | 2945 FPS |
| Manufacturer | Hornady |
