Every .257 Roberts factory load we have sourced (4 from 4 makers): G1 BC, muzzle velocity, drop at 500 and energy at 500 side by side, with a drop chart and max ethical hunting range for each.
| Load | gr | BC | MV fps / barrel | 500 yd mil | 500 yd ft·lb | Transonic yd | Source |
|---|---|---|---|---|---|---|---|
| Nosler Trophy Grade 110 gr AccuBond | 110 | G1 0.418 | 3,050 / 24″ | 2.5 | 970 | 950 | maker |
| Hornady Superformance 117 gr SST | 117 | G1 0.390 | 2,946 / 24″ | 2.8 | 888 | 850 | maker |
| Remington 117 gr Core-Lokt Soft Point | 117 | G1 0.240 | 2,650 / 24″ | 5.1 | 364 | 450 | maker |
| Winchester 117 gr Power-Point | 117 | G1 0.240 | 2,780 / 24″ | 4.5 | 403 | 500 | maker |
Coyote Pronghorn Whitetail deer Mule deer Wild hog Black bear Elk Moose
Standard conditions, 100 yd zero, the maker's test barrel. Open any load for the full chart, or build the rig in the app and it corrects for your barrel and your air.