Weatherby .30-378 Magnum Ammo 180gr Interlock Ammunition - 20 Rounds
$4.00/rd
$79.99
$4.11/rd
$82.11
$4.85/rd
$97.00
$4.85/rd
$97.00
$5.50/rd
$109.93
Gun Place
$5 Off Code CALIBERKING
$5.45/rd
$108.96
$5.45/rd
$108.99
$5.45/rd
$109.00
$5.51/rd
$110.14
.30-378 Weatherby Mag Weatherby Ammo Price Graph
- Today's .30-378 Weatherby Mag Weatherby Ammo average of $5.53/rd is cheaper than 73% of daily averages in the last 180 days.
- Today's low of $4.00/rd is cheaper than 71% of daily lows in the last 180 days.
- The average peaked at $6.15/rd on July 30, 2026 and bottomed at $4.95/rd on September 5, 2026.
Weatherby H303220ELDX Select Plus 30-378 Wthby Mag 220 gr Hornady ELD X 20 Per Box/ 10 Cs
Gun Place
$5 Off Code CALIBERKING
$1,046.02
$5.23/rd
Gun Place
$5 Off Code CALIBERKING
$429.30
$5.37/rd
Gun Place
$5 Off Code CALIBERKING
$108.96
$5.45/rd
$108.99
$5.45/rd
$109.00
$5.45/rd
Weatherby 30-378 Wby Mag 180gr Barnes Tipped TSX Ammo – 20 Rounds - 80 Rounds
$109.23
$5.46/rd
Gun Place
$5 Off Code CALIBERKING
$472.25
$5.90/rd
$118.58
$5.93/rd
Gun Place
$5 Off Code CALIBERKING
$119.86
$5.99/rd
$119.90
$6.00/rd
Weatherby Select Plus Rifle Ammunition 30-378 Wby Mag 180 gr Scirocco 3500 fps 20/ct
$5.65/rd
$112.99
$5.75/rd
$114.99
$5.77/rd
$115.35
$5.77/rd
$115.36
$5.80/rd
$116.00
Weatherby Select .30-378 Weatherby Mag. 180 grain Hornady Interlock (20 rd box)
$5.75/rd
$114.99
Weatherby Select Plus .30-378 Weatherby Mag 195 grain Hammer Custom (20 rd box)
$5.75/rd
$114.99
Weatherby Select Plus .30-378 Wby Mag 180 gr Scirocco 20ct - 20
$5.93/rd
$118.64
Weatherby Select Plus .30-378 Weatherby 195 grain Hammer Custom (20 rd box)
$6.00/rd
$119.99
Weatherby Select Plus 30-378 Weatherby 220 grain ELD-X (20 rd box)
$6.00/rd
$119.99
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Weatherby Select Plus .30-378 Weatherby Mag. 180 grain Scirocco (20 rd box)
$6.00/rd
$119.99
Weatherby Select Plus 30-378 Weatherby Magnum Ammo 180 Grain Nosler Ballistic Tip Polymer Tip Box of 20
$6.55/rd
$130.99
$6.98/rd
$139.64
Weatherby Select Plus .30-378 Weatherby 180 grain TTSX Tipped TSX (20 rd box)
$7.00/rd
$139.99