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22 ARC Load Data & Ballistics Calculator

Estimate chamber pressure and muzzle velocity for the 22 ARC 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.

22 ARC reference

Maximum average pressure (MAP)52,000 psi
Nominal case capacity34.6 gr H₂O
Groove / bullet diameter0.224 in (5.69 mm)

Example simulation illustrative

Bullet
Berger 22 Cal 85.5 gr Long Range Hybrid Target (86 gr)
Powder
Hodgdon H380
Charge
26.7 gr
Barrel
24 in

Muzzle velocity

2,690 fps

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

37,125 – 50,890 – 66,591 psi

nominal is 98% of the 52,000 psi maximum average pressure

This sample load runs near the maximum average pressure for the 22 ARC (about 98% 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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