| LoadID | 8566 |
| Bullet | 260 Hunters Supply with Gas Check |
| Bullet Weight | 260 grs |
| Powder | 800x |
| Powder Weight | 13.4 grs |
| Primer | WLR |
| Brass Make | W-W, 38-55 |
| Barrel Length | 20 (inches) |
| C.O.L | Crimped in Groove (inches) |
| Velocity | 1499 fps |
| Group 100 yds | unknown (inches) |
| Submitted By | 1006 |
| Gun Info | Win 375 XTR Big Bore 94 |
| Comment | primer staring to flatten, brass bulged above the web, Max Powder for me |