Description
HSM has built a reputation by matching each Sierra GameKing bullet to components that maximize both accuracy and hunting performance. This .308 Winchester load uses a 150-grain spitzer boat tail bullet, which is widely regarded as one of the best balanced options for medium game hunting in the caliber. The boat tail design improves ballistic efficiency, while the soft point construction delivers reliable expansion on impact.
Sierra GameKing 150 Grain Performance
The 150-grain GameKing bullet has been a favorite among hunters for decades, and for good reason. It shoots flatter than heavier bullets while maintaining excellent penetration even at reduced velocities at distance. You'll find it works equally well on whitetail out to reasonable ranges or on elk when shot placement is solid and ranges stay reasonable. Handloaders and factory shooters alike report excellent accuracy from this bullet.
Built for the Field
These cartridges come loaded in reloadable brass with non-corrosive boxer primers, which means you're not stuck with single-use ammunition. The 20-round box is sized for practical field use, whether you're sighting in for the season or putting rounds downrange at the range. The ammunition is newly manufactured to SAAMI specification, so you can trust consistent performance from box to box.
Why Hunters Choose This Load
What sets HSM's Game King line apart is the attention to component matching. Rather than generic assembly, each caliber gets powder, primer, and bullet combinations worked out to deliver consistent velocity and accuracy. That's why you'll see reports from hunters who say these loads shoot like handloads. For someone who wants quality factory ammunition without the premium price tag of some boutique options, this hits the mark.
Key Specifications
- Caliber: .308 Winchester / 7.62 NATO
- Bullet Weight: 150 grains
- Bullet Type: Sierra GameKing Spitzer Boat Tail (soft point)
- Case Material: Brass
- Primers: Boxer, non-corrosive
- Rounds Per Box: 20
- Manufacturer: HSM (Hunting Shack Munitions)
- Manufacturer Part Number: 30841N
- UPC: 810742022983
- Reloadable: Yes
What’s Included
- 20 rounds of .308 Winchester ammunition
- Sierra GameKing 150 grain spitzer boat tail bullets
- Reloadable brass cases with boxer primers
Frequently Asked Questions
Is this 150 grain load suitable for elk hunting?
The 150-grain bullet can work on elk with good shot placement and reasonable range, though many hunters prefer heavier bullets in the 165 to 180 grain range for larger game. If you choose this load for elk, keep shots within reasonable distances where you can be confident in placement and accuracy from your rifle.
Are the brass casings reloadable?
Yes. These come in reloadable brass with boxer primers, so you can reload them after firing. This adds value if you handload your own ammunition and helps reduce long-term shooting costs.
What game is this ammunition designed for?
The 150-grain Sierra GameKing is well-suited for medium game hunting like whitetail deer and similar-sized animals. It delivers a good balance of velocity and penetration across typical hunting ranges. The spitzer boat tail design helps it maintain energy and accuracy at distance.
How does HSM Game King ammunition compare to handloads?
HSM carefully matches powder, primers, and bullets to each loading so closely that many hunters report these factory rounds shoot nearly as well as their handloaded ammunition. The quality and consistency are reliable, though your specific rifle will always be the final judge of what it shoots best.





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