First Impressions of HSM Ammunition Game King .257 Roberts 117 Grain Sierra Gameking Brass Cased Centerfire Rifle Ammunition HSM-257Rbts-7-N 11% Off
The .257 Roberts is a classic cartridge, known for its flat trajectory and mild recoil, making it a favorite among hunters who appreciate accuracy and manageable performance. HSM Ammunition, a company renowned for its commitment to quality and precision, has loaded this time-tested round with the respected 117 grain Sierra GameKing bullet. This combination promises a hunting round that balances stopping power with pinpoint accuracy.
For years, I’ve been searching for the perfect ammunition for my vintage .257 Roberts rifle; something that would honor the rifle’s history while still delivering consistent performance in the field. Factory loads for the .257 Roberts can be difficult to find, and handloading, while rewarding, is time-consuming. The HSM Ammunition Game King .257 Roberts 117 Grain Sierra Gameking Brass Cased Centerfire Rifle Ammunition HSM-257Rbts-7-N 11% Off appeared to be the ideal solution.
Unboxing the ammunition, the first thing I noticed was the clean, consistent appearance of the brass cases. The Sierra GameKing bullets were uniformly seated, a testament to HSM’s attention to detail. The weight of each cartridge felt reassuring, hinting at a consistent powder charge.
Compared to some of the generic hunting ammunition I’ve used in the past, the HSM offering exuded quality. While other brands might prioritize volume over consistency, HSM seems to have struck a balance between affordability and performance. My initial impression was one of quiet confidence. This ammunition felt like it meant business.
Real-World Testing: Putting HSM Ammunition Game King .257 Roberts 117 Grain Sierra Gameking Brass Cased Centerfire Rifle Ammunition HSM-257Rbts-7-N 11% Off to the Test
First Use Experience
My initial testing took place at my local shooting range, a familiar environment where I could carefully evaluate the ammunition’s accuracy and consistency. I fired from a bench rest at 100 yards, using a scoped .257 Roberts rifle that I have used for many years. The conditions were ideal: clear skies and a light breeze.
The first few shots were immediately impressive. The recoil was mild, as expected from the .257 Roberts cartridge, and the report was consistent. More importantly, the bullets grouped tightly on the target, indicating excellent accuracy. There were no malfunctions, no misfires, and no signs of overpressure.
Extended Use & Reliability
After the initial range session, I continued to use the HSM Ammunition Game King .257 Roberts 117 Grain Sierra Gameking Brass Cased Centerfire Rifle Ammunition HSM-257Rbts-7-N 11% Off over several months, both at the range and during hunting trips. The ammunition consistently performed well, regardless of the conditions. I experienced no issues with feeding, extraction, or accuracy, even in cold weather.
Durability has also been excellent. The brass cases have held up well to repeated handling, showing no signs of cracking or deformation. Cleaning the rifle after firing the HSM ammunition was straightforward, with minimal fouling. The HSM Ammunition has outperformed my expectations, providing consistent accuracy and reliability in various conditions.
Breaking Down the Features of HSM Ammunition Game King .257 Roberts 117 Grain Sierra Gameking Brass Cased Centerfire Rifle Ammunition HSM-257Rbts-7-N 11% Off
Specifications
- Caliber: .257 Roberts. This classic caliber is known for its flat trajectory and moderate recoil.
- Bullet Weight: 117 grain. This weight provides a good balance of velocity and energy for hunting medium-sized game.
- Bullet Type: Sierra GameKing Spitzer Boat Tail (SBT). The boat tail design enhances ballistic coefficient for improved long-range performance.
- Case Material: Brass. Reloadable brass ensures consistent performance and allows for handloading.
- Primer Style: Centerfire. Centerfire primers are reliable and consistent.
- Number of Rounds: 20. This is a standard box size for rifle ammunition.
These specifications are important because they directly impact the ammunition’s performance. The Sierra GameKing bullet, with its boat tail design, is known for its accuracy and ability to retain velocity at longer ranges. The brass casing allows for reloading, which can save money and improve accuracy through custom loads.
Performance & Functionality
The HSM Ammunition Game King .257 Roberts 117 Grain Sierra Gameking Brass Cased Centerfire Rifle Ammunition HSM-257Rbts-7-N 11% Off performs admirably. Its accuracy is excellent, consistently delivering tight groupings at 100 yards and beyond. Its reliability is unquestionable, with no malfunctions experienced during extensive testing.
The ammunition’s consistent velocities contribute to its flat trajectory, making it easier to make accurate shots at varying distances. The Sierra GameKing bullet expands reliably upon impact, delivering effective stopping power. It meets and often exceeds expectations for hunting ammunition in this caliber.
Design & Ergonomics
The design of the ammunition is straightforward and functional. The brass cases are well-made and easy to handle. The overall build quality is excellent, reflecting HSM’s commitment to producing reliable ammunition.
There is no learning curve associated with using this ammunition. It functions as expected in any .257 Roberts rifle in good working order.
Durability & Maintenance
The HSM Ammunition Game King .257 Roberts 117 Grain Sierra Gameking Brass Cased Centerfire Rifle Ammunition HSM-257Rbts-7-N 11% Off is expected to last for many years if stored properly. The brass cases are corrosion-resistant and the bullets are well-protected within the cartridge. The ammunition requires no specific maintenance beyond proper storage in a cool, dry place.
Accessories and Customization Options
The HSM Ammunition Game King .257 Roberts 117 Grain Sierra Gameking Brass Cased Centerfire Rifle Ammunition HSM-257Rbts-7-N 11% Off does not require any specific accessories. However, a quality scope is recommended to take full advantage of its accuracy. As it uses standard .257 Roberts brass, reloaders have a wide variety of bullet and powder options for creating custom loads. The reloadable brass offers a significant degree of customization for advanced shooters.
Pros and Cons of HSM Ammunition Game King .257 Roberts 117 Grain Sierra Gameking Brass Cased Centerfire Rifle Ammunition HSM-257Rbts-7-N 11% Off
Pros
- Excellent Accuracy: Consistently delivers tight groupings at various distances.
- Reliable Performance: No malfunctions or misfires experienced during testing.
- Effective Stopping Power: The Sierra GameKing bullet expands reliably on impact.
- Reloadable Brass: Allows for custom handloads, saving money and improving accuracy.
- Consistent Velocities: Ensures a flat trajectory and predictable performance.
Cons
- Potentially higher cost compared to some budget ammunition brands.
- Availability may be limited in some regions.
Who Should Buy HSM Ammunition Game King .257 Roberts 117 Grain Sierra Gameking Brass Cased Centerfire Rifle Ammunition HSM-257Rbts-7-N 11% Off?
This ammunition is perfect for hunters who appreciate accuracy, reliability, and effective stopping power in a classic cartridge. It is also suitable for target shooters who want consistent performance and reloadable brass. Those who prioritize extreme long-range performance might consider a more modern, high-ballistic-coefficient bullet design, although the .257 Roberts isn’t really a long-range cartridge.
Anyone who is on a very tight budget may find cheaper ammunition options available. However, the slight price premium for HSM is well worth it for the increased performance and reliability.
Conclusion on HSM Ammunition Game King .257 Roberts 117 Grain Sierra Gameking Brass Cased Centerfire Rifle Ammunition HSM-257Rbts-7-N 11% Off
The HSM Ammunition Game King .257 Roberts 117 Grain Sierra Gameking Brass Cased Centerfire Rifle Ammunition HSM-257Rbts-7-N 11% Off is an excellent choice for anyone seeking high-quality, reliable ammunition in this classic caliber. The price is justified by the consistent accuracy, dependable performance, and reloadable brass. I would personally recommend it without hesitation. If you value precision and reliability in your ammunition, then give HSM’s .257 Roberts GameKing a try; you won’t be disappointed!