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9.3x62 Load Data & Ballistics Calculator

Estimate chamber pressure and muzzle velocity for the 9.3x62 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.

9.3x62 reference

Maximum average pressure (MAP)57,500 psi
Nominal case capacity76.5 gr H₂O
Groove / bullet diameter0.365 in (9.28 mm)

Example simulation illustrative

Bullet
Hornady 0.366 250 gr GMX
Powder
Alliant RL-15
Charge
49.8 gr
Barrel
23.5 in

Muzzle velocity

2,264 fps

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

37,863 – 49,158 – 61,889 psi

nominal is 85% of the 57,500 psi maximum average pressure

This sample load runs near the maximum average pressure for the 9.3x62 (about 85% of MAP at the nominal estimate; the upper interval can exceed it). It is shown only to illustrate the simulator — reduce the charge and work up from your manual's start load.

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.

Open the 9.3x62 in the MyLoads calculator →

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