MyLoads Open the calculator →

416 Remington Magnum Load Data & Ballistics Calculator

Estimate chamber pressure and muzzle velocity for the 416 Remington Magnum 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.

416 Remington Magnum reference

Maximum average pressure (MAP)65,000 psi
Nominal case capacity108.0 gr H₂O
Groove / bullet diameter0.416 in (10.57 mm)

Example simulation illustrative

Bullet
Hornady 0.416 400 gr DGX
Powder
IMR 4064
Charge
72.6 gr
Barrel
24 in

Muzzle velocity

2,239 fps

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

36,250 – 44,717 – 53,652 psi

nominal is 69% MAP (65,000 psi)

The simulator isn't optimized for this cartridge yet and may read pressure low.

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

Popular 416 Remington Magnum powders

Powders and bullets handloaders commonly use for the 416 Remington Magnum, 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 416 Remington Magnum bullets

Use MyLoads as a 416 Remington Magnum 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 416 Remington Magnum in the MyLoads calculator →

More cartridges