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250 Savage Load Data & Ballistics Calculator

Estimate chamber pressure and muzzle velocity for the 250 Savage with the free, in-browser MyLoads internal-ballistics simulator. The figures below are illustrative estimates from a physics model — not a recommended recipe. Always cross-check a current published loading manual.

250 Savage reference

Maximum average pressure (MAP)45,000 CUP
Nominal case capacity49.0 gr H₂O
Groove / bullet diameter0.257 in (6.53 mm)

Example simulation illustrative

Bullet
Hornady 0.257 100 gr InterLock SP
Powder
Hodgdon H380
Charge
35 gr
Barrel
24 in

Muzzle velocity

2,585 fps

Peak chamber pressure (interval, ±10% burn-rate)

27,222 – 35,256 – 44,060 psi

maximum average pressure for this cartridge is specified as 45,000 CUP (CUP is not directly comparable to this psi estimate)

Illustrative example — every figure here is an estimate and can be wrong. Always consult a current published loading manual, and never trust these numbers on their own.

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