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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 load. 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
Sierra 6mm 243 Caliber (.243) 107 gr HPBT-CN MatchKing
Powder
Ramshot X-Terminator
Charge
22 gr
Barrel
21 in

Muzzle velocity

2,261 fps

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

38,186 – 45,602 – 53,004 psi

nominal is 78% MAP (58,740 psi)

Illustrative example — every figure is an estimate; always confirm your load against a current published manual before loading.

Popular 6mm PPC-USA powders

Powders and bullets handloaders commonly use for the 6mm PPC-USA, drawn from public discussion and listed most common first. They appear as the Popular group in the calculator's pickers. This is not a load recommendation — always check your load against a current published manual.

Popular 6mm PPC-USA bullets

Use MyLoads as a 6mm PPC-USA velocity and pressure calculator: it estimates muzzle velocity, muzzle energy and the full chamber-pressure curve for your own powder, charge and barrel length, compared against the reference facts above.

Open the 6mm PPC-USA in the MyLoads calculator →

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