357 Magnum – Rifle

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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.

357 Magnum – Rifle Only
Firearm Winchester Model 1892
Barrel Length 20.0″
Max Case Length 1.290″ +0.000″/-0.020″
Min – Max COL 1.405″ – 1.590″
Primer CCI 500 – Small Pistol
Bullet Diameter Lead
0.3590″ +0.000″/-0.0030″
Bullet Diameter Jacketed
0.3580″ +0.000″/-0.0030″
Reloading Dies Lee Precision
Bullet Type Bullet
Weight

Grains
Net H2O
Grains
Capacity
COL” Powder Type Powder
Charge

Grains
Muzzle
Velocity

fps
Muzzle
Energy

ft/lbs
Speer JHP 125 15.6 1.575 Power Pistol 10.5 1868 969
Speer JHP 125 15.6 1.575 H110 21.0 2271 1432
Speer JHP 125 15.6 1.575 Win 296
21.0 2276 1438
Hornady HP/XTP 140 17.9 1.590 Blue Dot 13.5 2005 1250
Hornady HP/XTP 140 17.9 1.590 H110 18.5 2004 1249
Hornady HP/XTP 140 17.9 1.590 RS Enforcer 16.0 1814 1023
Hornady FP/XTP 158 16.4 1.590 PP 300-MP 17.0 1810 1150
Hornady FP/XTP 158 16.4 1.590 Blue Dot 12.0 1805 1143
Hornady FP/XTP 158 16.4 1.590 H110 16.7 1857 1210
Hunters Supply PHP 158 16.6 1.560 PP 300-MP 17.0 1798 1134
Hunters Supply PHP 158 16.6 1.560 H110 17.0 1875 1234
Hunters Supply PHP 158 16.6 1.560 RS Enforcer 14.5 1680 990
Cast Performance WFNGC 180 14.5 1.580 AA #9 12.5 1587 1007
Cast Performance WFNGC 180 14.5 1.580 RS Enforcer 13.0 1549 959
Cast Performance WFNGC 180 14.5 1.580 Win 296 14.0 1651 1090
Hunters Supply FP 190 14.2 1.590 AA #9 12.0 1527 984
Hunters Supply FP
190 14.2 1.590 RS Enforcer 12.5 1459 898
Hunters Supply FP
190 14.2 1.590 Win 296 13.5 1445 881
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