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5.6x50 Magnum Load Data & Ballistics Calculator

Estimate chamber pressure and muzzle velocity for the 5.6x50 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.

5.6x50 Magnum reference

Maximum average pressure (MAP)3,800 BAR
Nominal case capacity33.5 gr H₂O
Groove / bullet diameter0.224 in (5.69 mm)

Example simulation illustrative

Bullet
Hornady 0.224 55 gr V-MAX
Powder
Winchester W748
Charge
26 gr
Barrel
23.5 in

Muzzle velocity

2,927 fps

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

29,753 – 40,715 – 52,879 psi

nominal is 74% of the 55,114 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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