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6mm PPC-USA Load Data & Ballistics Calculator

Estimate chamber pressure and muzzle velocity for the 6mm PPC-USA 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.

6mm PPC-USA reference

Maximum average pressure (MAP)4,050 BAR
Nominal case capacity33.0 gr H₂O
Groove / bullet diameter0.242 in (6.14 mm)

Example simulation illustrative

Bullet
Hornady 0.243 65 gr V-MAX
Powder
Accurate A-2015
Charge
25.9 gr
Barrel
21 in

Muzzle velocity

2,919 fps

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

38,783 – 48,363 – 59,302 psi

nominal is 82% of the 58,740 psi maximum average pressure

This sample load runs near the maximum average pressure for the 6mm PPC-USA (about 82% 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.

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