Description
This 7mm Remington Magnum load pairs HSM's attention to manufacturing detail with one of the most respected hunting bullets ever made. The 175-grain Sierra GameKing spitzer boat tail has been a standby for serious hunters for decades, and there's a reason why. The bullet features a heavy double-tapered jacket designed to handle the velocities of a magnum cartridge while maintaining controlled expansion and deep penetration on heavy game.
Sierra GameKing Bullet Performance
The 175gr GameKing is engineered specifically for the demands of the 7mm Remington Magnum and heavier cartridges. It approaches match-grade accuracy and flies with a ballistic profile similar to Sierra's benchmark MatchKing bullet, making it one of the best long-range hunting options in this caliber. The boat tail design and aerodynamic shape mean flatter trajectories and less wind drift downrange, which matters when you're trying to place shots on elk, moose, or other large game at distance.
HSM's Component Matching Philosophy
HSM loads each cartridge with components selected to maximize the potential of the GameKing bullet. The fit is so precise that field users often comment that the finished round feels like a handload from a careful reloader rather than factory ammunition. You get reloadable brass cases that hold up to multiple firings, which many consider part of the value equation when hunting with quality ammunition.
The Right Load for Your Hunt
With 20 rounds per box, this is a practical amount for a serious hunting trip. Whether you're working up loads for your rifle or simply reaching for proven factory ammunition before heading into the field, this combination gives you the ballistic efficiency and terminal performance expected from a premium big game load. Velocity runs around 2900 fps from a 26-inch barrel, typical for this cartridge and weight combination.
Key Specifications
- Caliber: 7mm Remington Magnum
- Bullet Weight: 175 grains
- Bullet Type: Sierra GameKing Spitzer Boat Tail
- Case Material: Brass
- Rounds per Box: 20
- Manufacturer: HSM Ammunition
- MPN: 7MMMAG23N
- UPC: 810742022976
- Application: Hunting (medium to large game)
- Case Type: Reloadable
What’s Included
- 20 rounds of 7mm Remington Magnum ammunition
- Reloadable brass cases
Frequently Asked Questions
What makes the Sierra GameKing 175gr bullet suitable for the 7mm Rem Mag?
The 175gr GameKing is specifically engineered with a heavy double-tapered jacket for the velocity and impact energy of magnum cartridges. Its design delivers controlled expansion and deep penetration on large game like elk and moose. The bullet's aerodynamic boat tail profile approaches match-grade accuracy standards, making it ideal for long-range hunting applications.
Is this ammo reloadable?
Yes, the ammo comes with reloadable brass cases, which makes it attractive for handloaders who want to recycle components. Many hunters reload quality brass to extend value and maintain consistency in their hunting loads.
What type of game is this 7mm Rem Mag load appropriate for?
The 175gr bullet weight and magnum case deliver energy suitable for medium to large North American and African game, including elk, moose, and plains game at extended ranges. The bullet is built tough enough to handle quartering shots on heavy animals.
How does HSM's component matching improve this ammunition?
HSM carefully selects each component—powder, primer, and case—to work optimally with the specific GameKing bullet weight and design. This precision matching results in better accuracy and performance consistency compared to generic factory loads, and users often compare the results to custom handloaded ammunition.





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