What is the .338 Whisper #2?

The .338 Whisper #2 is a wildcat rifle cartridge in the JDJ cartridges family.

What bullet diameter does the .338 Whisper #2 use?

The .338 Whisper #2 uses a bullet diameter of 0.338 inches.

The JDJ cartridges family includes the .338 Whisper #2 and other related cartridges. Browse the full family on OpenCartridge.

Rifle Wildcat

Family	JDJ cartridges

Dimensions (inches)

Bullet Ø	0.338

Parent Cases

.221 Fireball

Community Load Data

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Bullet Type

Powder (name or brand)

Min MV (fps)

Max MV (fps)

No load data submitted yet for .338 Whisper #2.

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