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Grizzly Ammo builds this load with purpose built in. The solid brass 500 grain bullet is hand-machined to punch through thick hide and heavy bone with minimal expansion while retaining full weight on impact. That means straight-line penetration without the risk of deflection on hard material, which matters when you're facing truly dangerous game.
Solid brass construction eliminates expansion entirely. Your bullet stays intact through the entire wound channel, giving you the penetration depth required on massive animals. The 500 grain weight at 2100 fps delivers 4896 foot-pounds of muzzle energy, putting serious power on target. Grizzly manufactures this ammunition with quality control that includes personal inspection at each production step by the company's founder, and it comes loaded in reloadable brass cases so you can reload if needed.
Each box contains 5 rounds, arranged as 10 boxes per case. That configuration works well for hunters planning outfitter trips or those who want to stage ammunition for field preparation without excess. The ammunition is new production, non-corrosive, and designed for centerfire rifles chambered in .458 Winchester Magnum.
The .458 Winchester Magnum has earned its place as the standard dangerous game cartridge for a reason. Modern powder and bullet technology have brought this cartridge to its full potential, and this load from Grizzly represents that level of capability with ammunition you can count on when it matters most.
Solid brass bullets are designed not to expand on impact, giving you maximum penetration through thick hide and heavy bone. They maintain 100% of their original weight throughout the wound channel, which is critical for dangerous game where you need to reach vital organs through heavy muscle and bone structure. This design contrasts with expanding bullets that sacrifice penetration depth for faster energy transfer.
Yes. This ammunition comes loaded in reloadable brass cases, so after firing you can reload the casings with new powder, primer, and bullet if you handload ammunition. That makes it cost-effective for practice or frequent hunters.
The .458 WM was designed specifically for dangerous game including elephant, cape buffalo, and rhinoceros. The 500 grain solid brass bullet has the sectional density and penetration needed for these heavy, thick-skinned animals. That said, it performs well on any large game species and is also used by some hunters on North American big game when they want maximum capability.
Each step of their manufacturing process, including the hand-machining of the solid brass bullets, receives personal inspection by the company founder. The ammunition is new production, non-corrosive, and loaded to published specifications. This level of hands-on quality control sets Grizzly apart from mass-produced alternatives.
| Caliber/Gauge | .458 Winchester Magnum |
|---|---|
| Cost per Round | 13.20 |
| Grains | 500 gr |
| Manufacturer | |
| Manufacturer Part Number | GC458WM5 |
| Units per Box | 5 |
| UPC | 815152012050 |
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