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Nosler
The Nosler Partition .375 caliber 300 grain spitzer bullet has been the standard for dangerous game and magnum rifle hunting since 1948. Built on the dual-core partition design that made Nosler's reputation, these .375" bullets deliver the deep penetration and weight retention serious hunters demand when taking on large, tough game. Each box contains 50 bullets ready for reloading into your magnum rifle cartridges.
What sets the Partition apart is the engineering inside: a thin, tapered copper-alloy jacket that ruptures instantly at the tip for rapid energy transfer, paired with a fully partitioned lead core. The internal steel partition acts as a wall between the front and rear cores, controlling expansion while the rear core stays largely intact. This design means two-thirds of the original bullet weight stays with the bullet deep into the animal, ensuring penetration on even the largest frame and heaviest-boned targets.
The front core mushrooms aggressively to create massive wound trauma and shock, while the partition prevents jacket separation and loss of the rear mass. The result is a bullet that expands reliably across a wide velocity range—from close-range shots to long-distance magnum loads—without excessive fragmentation. For handloaders pursuing elk, moose, brown bear, or African dangerous game, the Partition remains the proven choice.
Nosler engineered these with a special crimp lock to handle the pressures of heavy magnum loads without deforming. Whether you're building custom hunting ammo for a .375 H&H Magnum, .375 Ruger, or similar cartridge, the Partition's reputation for consistent expansion and deep penetration is built on decades of field performance.
| Caliber | .375 |
| Bullet Diameter | .375" |
| Weight | 300 grains |
| Style | Spitzer (pointed) |
| Quantity | 50 per box |
| Core Type | Dual-core with integral partition |
| Jacket | Tapered copper-alloy |
The .375" 300 grain bullet is designed for .375 magnum cartridges, including the .375 H&H Magnum, .375 Ruger, and similar .375 caliber rifle loads. Always verify bullet compatibility with your specific cartridge and consult reloading manuals for your chosen load.
The internal steel partition separates the front and rear lead cores. The front core expands to create a large wound cavity, while the partition wall keeps the rear core intact. This design retains over two-thirds of the bullet's original weight for deep penetration, even on large game at close range or through heavy bone.
Yes. The tapered jacket and dual-core design deliver controlled expansion across a wide velocity range, from moderate velocities in closer shots to full magnum velocities at distance. This versatility is why the Partition remains a go-to choice for dangerous game hunting where shot distance may vary unpredictably.
Each box contains 50 loose .375 caliber 300 grain spitzer bullets, ready for your reloading press and dies.
Nosler
The Nosler Partition .375 caliber 300 grain spitzer bullet has been the standard for dangerous game and magnum rifle hunting since 1948. Built on the dual-core partition design that made Nosler's reputation, these .375" bullets deliver the deep penetration and weight retention serious hunters demand when taking on large, tough game. Each box contains 50 bullets ready for reloading into your magnum rifle cartridges.
What sets the Partition apart is the engineering inside: a thin, tapered copper-alloy jacket that ruptures instantly at the tip for rapid energy transfer, paired with a fully partitioned lead core. The internal steel partition acts as a wall between the front and rear cores, controlling expansion while the rear core stays largely intact. This design means two-thirds of the original bullet weight stays with the bullet deep into the animal, ensuring penetration on even the largest frame and heaviest-boned targets.
The front core mushrooms aggressively to create massive wound trauma and shock, while the partition prevents jacket separation and loss of the rear mass. The result is a bullet that expands reliably across a wide velocity range—from close-range shots to long-distance magnum loads—without excessive fragmentation. For handloaders pursuing elk, moose, brown bear, or African dangerous game, the Partition remains the proven choice.
Nosler engineered these with a special crimp lock to handle the pressures of heavy magnum loads without deforming. Whether you're building custom hunting ammo for a .375 H&H Magnum, .375 Ruger, or similar cartridge, the Partition's reputation for consistent expansion and deep penetration is built on decades of field performance.
| Caliber | .375 |
| Bullet Diameter | .375" |
| Weight | 300 grains |
| Style | Spitzer (pointed) |
| Quantity | 50 per box |
| Core Type | Dual-core with integral partition |
| Jacket | Tapered copper-alloy |
The .375" 300 grain bullet is designed for .375 magnum cartridges, including the .375 H&H Magnum, .375 Ruger, and similar .375 caliber rifle loads. Always verify bullet compatibility with your specific cartridge and consult reloading manuals for your chosen load.
The internal steel partition separates the front and rear lead cores. The front core expands to create a large wound cavity, while the partition wall keeps the rear core intact. This design retains over two-thirds of the bullet's original weight for deep penetration, even on large game at close range or through heavy bone.
Yes. The tapered jacket and dual-core design deliver controlled expansion across a wide velocity range, from moderate velocities in closer shots to full magnum velocities at distance. This versatility is why the Partition remains a go-to choice for dangerous game hunting where shot distance may vary unpredictably.
Each box contains 50 loose .375 caliber 300 grain spitzer bullets, ready for your reloading press and dies.
