| LoadID | 6377 |
| Bullet | BARNES ORIGINAL |
| Bullet Weight | 275 grs |
| Powder | Alliant Reloader 15 |
| Powder Weight | 56.0 grs |
| Primer | CCI-250 |
| Brass Make | Remington plated |
| Barrel Length | 22 (inches) |
| C.O.L | 2.869 (inches) |
| Velocity | 2420 fps |
| Group 100 yds | 0.60 (inches) |
| Submitted By | Float Pilot |
| Gun Info | Ruger M77MKII Stainless All Weather, MODIFIED |
| Comment | These bullets are no longer made. This rifle has been beeded and modified into a Sourdough Survivor. A very accurate load and a very usefull rifle/ cartridge combo. |