.30-378 Weatherby Mag Reloading Brass for Sale | Caliber King

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.30-378 Weatherby Mag

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.30-378 Weatherby Mag

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30-378 Weatherby MAG - Polished Weatherby Brass (OFB) (29)

Nosler 29 Count

Limit 1

$2.24/ct $65.00

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Weatherby .30-378 Weatherby Magnum Brass Cases 50 Count

Weatherby 50 Count

$3.11/ct $155.31

$3.21/ct $160.32

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.30-378 Weatherby Mag Brass Price Graph

Today's .30-378 Weatherby Mag Brass average of $3.62/ct is more expensive than 72% of daily averages in the last 180 days.
Today's low of $2.24/ct is more expensive than 43% of daily lows in the last 180 days.
The average peaked at $3.83/ct on October 20, 2026 and bottomed at $2.65/ct on June 8, 2026.

Weatherby BRASS303 Unprimed Cases 30-378WthbyMag Rifle Brass 20/Box

Weatherby 20 Count

$5 Off Code CALIBERKING

$4.19/ct $83.85

$4.41/ct $88.16

$4.55/ct $91.00

$99.99

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.30-378 Weatherby Mag Brass Price Graph

Today's .30-378 Weatherby Mag Brass average of $3.62/ct is more expensive than 72% of daily averages in the last 180 days.
Today's low of $2.24/ct is more expensive than 43% of daily lows in the last 180 days.
The average peaked at $3.83/ct on October 20, 2026 and bottomed at $2.65/ct on June 8, 2026.