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 – 260 Remington |
|
Firearm | Ruger M77 MK II Intl |
Barrel Length | 18.50″ |
Min – Max Case Length | 2.035″ +0.000″/-0.020″ |
Min – Max COL | 2.530″ – 2.800″ |
Primer | Remington 9 1/2 |
Bullet Diameter | 0.2645″ +0.000″/-0.0030″ |
Reloading Dies | Redding FL |
Bullet Type | Bullet Weight Grains |
Net H2O Grains Capacity |
COL” | Powder Type | Powder Charge Grains |
Muzzle Velocity fps |
Muzzle Energy ft/lbs |
Sierra Varminter | 100 | 49.2 | 2.650 | Reloder 15 | 44.0 | 2945 | 1926 |
Sierra Varminter | 100 | 49.2 | 2.650 | Reloder 16 | 47.0 | 2953 | 1937 |
Sierra Varminter | 100 | 49.2 | 2.650 | Win 748 | 43.5 | 2962 | 1949 |
Sierra Pro-Hunter | 120 | 48.4 | 2.745 | Reloder 16 | 45.0 | 2740 | 2001 |
Sierra Pro Hunter | 120 | 48.4 | 2.745 | H414 | 45.5 | 2929 | 2287 |
Sierra Pro Hunter | 120 | 48.2 | 2.745 | Win 760 | 45.5 | 2835 | 2142 |
Nosler Partition | 125 | 47.2 | 2.755 | Reloder 16 | 44.0 | 2709 | 2037 |
Nosler Partition | 125 | 47.2 | 2.755 | Hybrid 100V | 44.0 | 2717 | 2049 |
Nosler Partition | 125 | 47.2 | 2.755 | H4350 | 44.5 | 2702 | 2027 |
Hornady SST | 140 | 44.7 | 2.775 | Reloder 16 | 41.5 | 2565 | 2046 |
Hornady SST | 140 | 44.7 | 2.775 | IMR7828SSC | 47.0 | 2650 | 2184 |
Hornady SST | 140 | 44.7 | 2.775 | Norma MRP | 47.0 | 2598 | 2099 |
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