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Nosler NoslerCustom

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NoslerCustom

.30-378 Weatherby Magnum · 180gr Partition

Muzzle Velocity

Not published by Nosler

Muzzle Energy

Requires a published velocity

Ballistic Coefficient

0.474

G1

Sectional Density

0.271

Ballistic Trajectory

Nosler does not publish a muzzle velocity for this load, so a trajectory cannot be calculated.

Have the numbers? Use the ballistics solver to run it with your own data.

Bullet Information

ManufacturerNosler

Bullet180gr Partition

Diameter0.308" (7.62mm)

ConstructionSoft Point

BC (G1)0.474 G1

Sectional Density0.271

Load Information

Cartridge.30-378 Weatherby Magnum

ManufacturerNosler

Product LineNoslerCustom

CategoryHunting

Test Barrel24"

SKU23001

Correction history

August 26, 2026
- Nosler Partition 0.308" 180 grBC (G1): 0.361 → 0.474(+31.3%)
Nosler sells two .308" 180 gr Partitions: the standard spitzer (#16331, G1 0.474) and the Protected Point (#25396, G1 0.361). They share a diameter and weight, and this bullet had been given the Protected Point's figure. It now carries Nosler's published 0.474.

Shooters' reviews

Each review is one shooter's own experience. Reviews never change the figures, charts or comparisons on this page, which come from the manufacturer's published data.

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Other Loads Using the Partition

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.30-06 Sprg · 180gr · Partition

MV: 2,750fps

BC: 0.474 G1

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Trophy Grade

.300 RUM · 180gr · Partition

MV: 3,200fps

BC: 0.474 G1

Energy: 4,092ft-lbs

Type: Hunting

Nosler

NoslerCustom

.300 H&H Magnum · 180gr · Partition

MV: Not published

BC: 0.474 G1

Energy: —

Type: Hunting

Nosler

NoslerCustom

.300 Wby Mag · 180gr · Partition

MV: Not published

BC: 0.474 G1

Energy: —

Type: Hunting

Federal Premium

Nosler Partition

.300 WSM · 180gr · Partition

MV: 2,980fps

BC: 0.474 G1

Energy: 3,549ft-lbs

Type: Hunting

Federal Premium

Nosler Partition

.300 Win Mag · 180gr · Partition

MV: 2,960fps

BC: 0.361 G1

Energy: 3,501ft-lbs

Type: Hunting

See this bullet's specs →

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