| LoadID | 6713 |
| Bullet | Nosler Ballistic tip |
| Bullet Weight | 55 grs |
| Powder | Vihtavouri N150 |
| Powder Weight | 42.3 grs |
| Primer | Federal 210 Gold Medal Match |
| Brass Make | Winchester |
| Barrel Length | 26 (inches) |
| C.O.L | .010 off lands (inches) |
| Velocity | 3950 fps |
| Group 100 yds | shoots in 2's and 3's (inches) |
| Submitted By | Frank |
| Gun Info | Winchester M70 Heavy Varmint factory barrel rechambered. Barrel toast ~ 1,000 rounds |
| Comment | More .220 Weatherby Rocket loads to come, just rebarreled with 28.5 inch Krieger 12 twist HV profile |