
Availability: In Stock
Current Stock: Out of stock
The HSM 300 SAUM ammunition loaded with 180-grain Sierra GameKing projectiles is a solid choice for hunters pursuing medium to large game at moderate to extended ranges. This round pairs a proven bullet design with HSM's reputation for consistent, dependable factory loads. The 180-grain GameKing bullet is engineered to expand reliably on impact while retaining sufficient weight and momentum to penetrate effectively—qualities that matter when you're counting on a load to perform in the field.
HSM has built its brand on delivering quality ammunition without the premium markup of boutique loaders, making this 300 SAUM load an economical option for shooters who demand accuracy and consistency. Each box contains 20 cartridges, so you get enough for a hunting trip or range session without excess inventory. If you're already set up to reload or shoot the 300 SAUM, HSM factory ammunition eliminates prep time and lets you focus on hunting or practice.
The 300 SAUM cartridge itself is a smart middle ground: it delivers the ballistics and energy of larger magnums in a shorter action, reducing recoil and improving handling in hunting rifles. The 180-grain bullet weight in this load is well-suited to the cartridge's efficiency, offering a balanced combination of velocity, energy, and recoil that works across various rifle platforms chambered in 300 SAUM.
| Caliber | 300 SAUM (300 Remington Short Ultra Magnum) |
| Bullet Weight | 180 grains |
| Bullet Type | Sierra GameKing SBT (Spitzer Boat Tail) |
| Rounds Per Box | 20 |
| Manufacturer | HSM Ammunition |
The 300 SAUM (300 Remington Short Ultra Magnum) is chambered in rifles designed for that cartridge. Check your rifle's markings or documentation to confirm your firearm is chambered in 300 SAUM before purchasing or shooting any ammunition.
Yes. The Sierra GameKing is a popular hunting bullet designed to expand on impact and retain weight for penetration, making it appropriate for medium to large game applications.
Each box contains 20 cartridges.
The product details provided do not specify brass quality or reloadability. Contact HSM or consult your reloading manual for guidance on using spent HSM cases.

SKU: 152746005 • Width: 3.1in • Height: 1.4in • Depth: 6.1in • Weight: 1.455oz
Availability: In Stock
Current Stock: Out of stock
The HSM 300 SAUM ammunition loaded with 180-grain Sierra GameKing projectiles is a solid choice for hunters pursuing medium to large game at moderate to extended ranges. This round pairs a proven bullet design with HSM's reputation for consistent, dependable factory loads. The 180-grain GameKing bullet is engineered to expand reliably on impact while retaining sufficient weight and momentum to penetrate effectively—qualities that matter when you're counting on a load to perform in the field.
HSM has built its brand on delivering quality ammunition without the premium markup of boutique loaders, making this 300 SAUM load an economical option for shooters who demand accuracy and consistency. Each box contains 20 cartridges, so you get enough for a hunting trip or range session without excess inventory. If you're already set up to reload or shoot the 300 SAUM, HSM factory ammunition eliminates prep time and lets you focus on hunting or practice.
The 300 SAUM cartridge itself is a smart middle ground: it delivers the ballistics and energy of larger magnums in a shorter action, reducing recoil and improving handling in hunting rifles. The 180-grain bullet weight in this load is well-suited to the cartridge's efficiency, offering a balanced combination of velocity, energy, and recoil that works across various rifle platforms chambered in 300 SAUM.
| Caliber | 300 SAUM (300 Remington Short Ultra Magnum) |
| Bullet Weight | 180 grains |
| Bullet Type | Sierra GameKing SBT (Spitzer Boat Tail) |
| Rounds Per Box | 20 |
| Manufacturer | HSM Ammunition |
The 300 SAUM (300 Remington Short Ultra Magnum) is chambered in rifles designed for that cartridge. Check your rifle's markings or documentation to confirm your firearm is chambered in 300 SAUM before purchasing or shooting any ammunition.
Yes. The Sierra GameKing is a popular hunting bullet designed to expand on impact and retain weight for penetration, making it appropriate for medium to large game applications.
Each box contains 20 cartridges.
The product details provided do not specify brass quality or reloadability. Contact HSM or consult your reloading manual for guidance on using spent HSM cases.
SKU: 152746005 • Width: 3.1in • Height: 1.4in • Depth: 6.1in • Weight: 1.455oz
