What is the .22 Niedner Magnum?

The .22 Niedner Magnum is a wildcat rifle cartridge, introduced in 1925.

What bullet diameter does the .22 Niedner Magnum use?

The .22 Niedner Magnum uses a bullet diameter of 0.224 inches.

The .22 Niedner Magnum has a Rimmed Bottlenecked case type.

The .22 Niedner Magnum uses a Small rifle (.175") primer.

Rifle Wildcat

Dimensions (inches)

Community Load Data

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Bullet Type

Powder (name or brand)

Min MV (fps)

Max MV (fps)

⚠ MAX LOAD — Verify before loading

52.00gr SIERRA Boat Tail Hollow Point (BTHP) — 20.00gr Reloader 7

by Webster579 · Aug 23, 2026

24.00" Barrel

2.2200 OAL"

Starline Case

CCI 200 Primer

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Cartridges with the same bullet diameter (0.224")