Warning: Bullet selections are specific, and loads are not valid with substitutions of different bullets of the same weight. Variations in bullet length will alter net case capacity, pressure and velocity. Primer selection is specific and primer types are not interchangeable. These are maximum loads in my firearms and may be excessive in others. All loads should be reduced by 5% as a starting point for development where cartridges have greater than 40 grains in capacity and 10% for cartridges with less than 40 grain capacity following safe handloading practices as represented in established mainstream reloading manuals. Presentation of these loads does not constitute a solicitation for their use, nor a recommendation.
| Cartridge: 300 Weatherby Magnum |
|
| Firearm | Weatherby Mark V |
| Barrel Length | 26.00″ |
| Min – Max Case Length | 2.825″ +0.000″/-0.030″ |
| Min – Max Cartridge Overall Length | 3.390″ – 3.560″ |
| Primer |
LRM |
| Bullet Diameter | 0.3083 +0.000″/-0.003″ |
| Reloading Dies | Redding FL |
| Bullet Type | Bullet Weight Grains |
Net H2O Grains Capacity |
COL” | Powder Type | Powder Charge Grains |
MV fps |
ME ft/lbs |
| Barnes TTSX #30873 | 130 | 90.9 | 3.560 | Reloder 19 | 86.5 | 3610 | 3761 |
| Barnes TTSX #30873 | 130 | 90.9 | 3.560 | Reloder 19 | 88.5 | 3580 | 3700 |
| Barnes TTSX #30873 | 130 | 90.9 | 3.560 | Reloder 19 | 86.0 | 3632 | 3808 |
| Sierra HPBT #2123 | 135 | 93.9 | 3.545 | H4350 | 84.0 | 3515 | 3703 |
| Sierra HPBT #2123 | 135 | 93.9 | 3.545 | H4831SSC | 89.5 | 3532 | 3739 |
| Sierra HPBT #2123 | 135 | 93.9 | 3.545 | IMR7828SSC | 91.5 | 3631 | 3952 |
| Barnes TTSX #30875 | 150 | 88.5 | 3.560 | Reloder 22 | 86.0 | 3451 | 3967 |
| Barnes TTSX #30875 | 150 | 88.5 | 3.560 | IMR7828SSC | 86.0 | 3464 | 3994 |
| Barnes TTSX #30875 | 150 | 88.5 | 3.560 | Norma MRP | 87.0 | 3483 | 4040 |
| Berger VLD #30510 | 168 | 89.4 | 3.560 | Reloder 22 | 84.5 | 3299 | 4060 |
| Berger VLD #30510 | 168 | 89.4 | 3.560 | IMR7828SSC | 84.5 | 3312 | 4093 |
| Berger VLD #30510 | 168 | 89.4 | 3.560 | Norma MRP | 85.5 | 3329 | 4135 |
| Berger VLD #30512 | 175 | 89.5 | 3.560 | Reloder 22 | 83.5 | 3239 | 4076 |
| Berger VLD #30512 | 175 | 89.5 | 3.560 | Norma MRP | 84.5 | 3268 | 4151 |
| Berger VLD #30512 | 175 | 89.5 | 3.560 | RS Magnum | 90.0 | 3226 | 4043 |
| Barnes TTSX #30879 | 180 | 85.1 | 3.560 | Reloder 22 | 81.0 | 3189 | 4066 |
| Berger VLD #30512 | 175 | 89.5 | 3.560 | IMR7828SSC | 80.5 | 3202 | 4099 |
| Berger VLD #30512 | 175 | 89.5 | 3.560 | Norma MRP | 81.5 | 3220 | 4144 |
| Nosler Partition #16331 | 180 | 88.3 | 3.520 | Reloder 19 | 79.5 | 3155 | 3980 |
| Nosler Partition #16331 | 180 | 88.3 | 3.520 | IMR7828 SSC | 83.0 | 3221 | 4147 |
| Nosler Partition #16331 | 180 | 88.3 | 3.520 | Norma MRP | 83.0 | 3202 | 4097 |
| Sierra Pro Hunter #2150 | 180 | 89.7 | 3.560 | Reloder 25 | 86.5 | 3223 | 4151 |
| Sierra Pro Hunter #2150 | 180 | 89.7 | 3.560 | Norma MRP | 84.0 | 3224 | 4153 |
| Sierra Pro Hunter #2150 | 180 | 89.7 | 3.560 | RS Magnum | 89.5 | 3182 | 4047 |
| Speer Hot-Cor #2211 | 200 | 88.8 | 3.560 | Reloder 25 | 83.5 | 3058 | 4153 |
| Speer Hot-Cor #2211 | 200 | 88.8 | 3.560 | H1000 | 85.5 | 3040 | 4105 |
| Speer Hot-Cor #2211 | 200 | 88.8 | 3.560 | RS Magnum | 86.5 | 3023 | 4059 |
| Hornady ELD-X #3037 | 212 | 83.6 | 3.560 | Reloder 25 | 79.0 | 2957 | 4115 |
| Hornady ELD-X #3037 | 212 | 83.6 | 3.560 | Norma MRP | 77.0 | 2970 | 4153 |
| Hornady ELD-X #3037 | 212 | 83.6 | 3.560 | RS Magnum | 82.0 | 2929 | 4038 |
| Hornady ELD-X #3038 | 220 | 82.3 | 3.560 | Reloder 25 | 77.5 | 2901 | 4112 |
| Hornady ELD-X #3038 | 220 | 82.3 | 3.560 | Norma MRP | 75.5 | 2914 | 4147 |
| Hornady ELD-X #3038 | 220 | 82.3 | 3.560 | RS Magnum | 80.5 | 2877 | 4042 |
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