| LoadID | 6600 |
| Bullet | sierra matchking |
| Bullet Weight | 168 grs |
| Powder | h4831 |
| Powder Weight | 77 grs |
| Primer | federal lmr 215 |
| Brass Make | remington |
| Barrel Length | 26 (inches) |
| C.O.L | 3.7 (inches) |
| Velocity | 3200 fps |
| Group 100 yds | .25 (shoots one hole) (inches) |
| Submitted By | Fred Maletto III |
| Gun Info | enfield m1917 action with 26" glass bedded douglas barrel and redfield golden five-star 4x-12x |
| Comment | loads of 76 & 77 grs with same powder produced less than 1" groups but 77 grs in my rifle will shoot one hole. my rifle is also free bored |