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The Grizzly GC45/703 brings real stopping power to the field with modern ammunition engineering. Each 300-grain projectile features a Kodiak bonded-core design that resists premature expansion while delivering controlled terminal performance when it matters. At 2400 fps muzzle velocity, you're looking at nearly 3,900 foot-pounds of energy—the kind of wallop that handles hogs, elk, and bear out to practical hunting distances.
Grizzly builds this ammunition for shooters who want velocity and power without sacrificing reliability. The bonded core construction means the jacket stays attached to the bullet during impact, which translates to deeper penetration and less bullet separation. Brass cases come Boxer-primed and reloadable, so if you shoot enough to justify it, these casings have a second life in your loading bench. Built domestically, quality control runs tight enough that you'll notice consistency from round to round.
This load sits comfortably in the power range of modern lever-action rifles like the Marlin 1895, Henry Big Bore models, and single-shot platforms that can handle full-power ammunition. The combination of heavy weight and solid construction makes it effective for thick-cover hunting where you might only get one good opportunity. Felt recoil is substantial—this isn't a plinking round—but that same push is what drives the energy downrange.
This is a full-power modern load designed for rifles with strong actions, including modern lever-action platforms like the Marlin 1895 and Henry Big Bore models, as well as single-shot rifles like the Ruger No. 1. This load is not recommended for older Trapdoor Springfield rifles or other vintage weak-action firearms—those require low-pressure loads designed for original specifications.
The bonded-core design keeps the jacket and core chemically bonded during impact, which resists separation and promotes deeper penetration than typical hollow-point bullets. This gives you both controlled expansion at impact and the ability to reach vital organs on larger game at moderate distances.
Yes, the brass cases are Boxer-primed and fully reloadable. After firing, you can deprime, clean, and reload these cases with your own components if you're equipped for handloading. This makes them more economical for high-volume shooting or long-term use.
With nearly 3,900 foot-pounds of energy at the muzzle, this load works well for hogs, deer, elk, and black bear within 150 to 200 yards. It's a legitimate choice for any medium to large North American game when shot placement is solid, making it versatile across different hunting scenarios.
| Caliber/Gauge | .45-70 Government |
|---|---|
| Case Material | Brass |
| Cost per Round | 2.60 |
| Grains | 300 gr |
| Manufacturer | |
| Manufacturer Part Number | GC45/703 |
| Units per Box | 20 |
| UPC | 815152016850 |
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