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41 Remington Magnum Load Data & Ballistics Calculator

Estimate chamber pressure and muzzle velocity for the 41 Remington Magnum 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.

41 Remington Magnum reference

Maximum average pressure (MAP)36,000 psi
Nominal case capacity34.0 gr H₂O
Groove / bullet diameter0.410 in (10.41 mm)

Example simulation illustrative

Bullet
Hornady 0.410 210 gr XTP
Powder
Vectan (Nobel Sport) Vectan SP 3
Charge
20.1 gr
Barrel
4 in

Muzzle velocity

1,116 fps

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

17,558 – 24,591 – 33,924 psi

nominal is 68% of the 36,000 psi maximum average pressure

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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