TBR Performance Groups: Cartridge table
TBR | Cartridge Name | Bullet Weight | Muzzle Velocity | ||
Group | Distance | (grains) | (feet per second) | ||
| |||||
|
| 180 | 2700 | ||
|
| .308 Winchester | 150 | 2820 | |
| 200 | .308 Winchester | 168 | 2670 | |
AC | .338 Winchester Magnum | 210 | 2830 | ||
Yards | |||||
| .338 Winchester Magnum | 250 | 2650 | ||
|
| ||||
|
| .378 Weatherby Magnum | 300 | 2800 | |
|
| .460 Weatherby Magnum | 450 | 2700 | |
BC | 200 Yards | .378 Weatherby Magnum | 300 | 2925 | |
ABC | 200 Yards | .223 Remington | 64 | 3020 | |
.378 Weatherby Magnum | 300 | 2920 | |||
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For hand loads or any other unique loads not shown in the above list, the table on the next page provides a guideline for selecting the appropriate TBR performance group. Check the ballistic performance of your bullet by consulting your reloading manual, ballistics software, or by referring to literature or Web sites provided by your cartridge manufacturer. You may also visit the Leupold Web site at www.leupold.com for more assistance in selecting your group. If you have your ballistics performance data, select your performance group from the table on the next page based on the bullet path at 500 yards. Be sure not to confuse bullet path with bullet drop. Bullet path will be related back to your
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