| LoadID | 2777 |
| Bullet | sierra boat tail |
| Bullet Weight | 180 grs |
| Powder | H4227 |
| Powder Weight | 14.5 grs |
| Primer | Winchester small rifle |
| Brass Make | Winchester |
| Barrel Length | 16 (inches) |
| C.O.L | 2.255 (inches) |
| Velocity | 1659 fps |
| Group 100 yds | (inches) |
| Submitted By | bdt |
| Gun Info | AR15 |
| Comment | |