7x57mm Mauser – Modern Bolt Action

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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.

Cartridge (Above SAAMI PSI)
7x57mm Mauser
Firearm Ruger Hawkeye International
Barrel Length 18.5″
Min – Max Case Length 2.235″ +0.0″/-0.020″
Min – Max Cartridge Overall Length 2.850″ – 3.065″
Primer Remington 9 1/2
Bullet Diameter 0.2845″ +0.0″/-0.0030″
Reloading Dies Lee Precision
Bullet Bullet
Type
Bullet
Grains
C.O.L.” Powder
Type
Charge
Grains
Muzzle
Velocity
FPS
Muzzle
Energy
Ft-Lbs
100 Yard
3 Shot
Group “
Sierra Pro-Hunter
SPFB
120
2.985
Re 16
52.5
2992
2385
1.0
Sierra Pro-Hunter SPFB 120 2.985  Re 17  54.0  3016  2424 0.3
Sierra Pro-Hunter SPFB 120 2.985  H 414  54.5  2993  2388 0.7
Sierra Pro-Hunter
SPFB
120
2.985
IMR 4895
48.5
2956
2329
0.8
Remington Core-Lokt
PPFB
140
2.965
 Re 17 50.5
2818
2468
0.5
Remington Core-Lokt PPFB 140 2.965  Re 19
53.0 2776 2396
0.9
Remington Core-Lokt PPFB 140 2.965  H414 50.0  2741  2336 0.9
Remington Core-Lokt PPFB 140
2.965
IMR 7828SSC
55.0
2780
2403
1.0
Speer Hot Cor SPFB 160
3.000
Re 16 46.0 2664 2206 0.9
Speer Hot Cor SPFB 160
3,000
Re 17 48.0 2675 2543 0.6
Speer Hot Cor SPFB 160 3.000  H414  48.5  2635  2467 0.8
Speer Hot Cor SPFB 160 3.000 Win 760 46.0 2674
2223
0.9
Remington Core-Lokt PPFB 175 3.000 Re 16
44.5
2505
2438
0.7
Remington Core-Lokt PPFB 175 3.000 Re 17
46.0
2535
2497
0.8
Remington Core-Lokt PPFB 175 3.000  H414  46.0  2499 2426 0.9
Remington Core-Lokt PPFB 175 3.000 IMR 7828SSC 55.0 2513 2453 0.8
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