Description
Hornady designed the Handgun Hunter line around the kind of toughness that matches what the field throws at you. The 130-grain MonoFlex projectile is engineered to penetrate deeply while staying together through muscle, bone, and hide. Because the bullet is made from a single piece of copper alloy, it won't separate like traditional lead-core ammunition, which means you get reliable 95 percent weight retention and momentum that carries through to exit wounds.
MonoFlex Bullet Technology in the Handgun Hunter Load
The real standout here is how Hornady solves the expansion challenge with solid copper. Most all-copper projectiles struggle with consistent expansion, but the MonoFlex design includes an elastomer material packed into the hollow point cavity. When the bullet hits, that elastomer compresses and pushes outward, forcing the bullet to expand faster and wider than a standard hollow point would at handgun velocities. This matters if your game is close or far—the bullet expands reliably across a range of impact speeds.
Thicker copper alloy construction keeps the bullet intact when it encounters heavy shoulder blades and dense muscle. You won't get bullet fragmentation or separation, which means every grain of that 130-grain bullet stays in the game and contributes to the wound channel instead of leaving pieces in the dirt.
What Sets This Load Apart for Field Work
Hornady combined the MonoFlex bullet with quality brass cases, reliable primers, and proven powders to create ammunition that shoots clean and performs consistently. The lead-free copper construction also means zero lead fouling in your barrel, a practical benefit if you shoot frequently or hand your gun to someone else on a hunt. At 1,250 feet per second from an 8-inch barrel with 451 foot-pounds of energy, this load sits squarely in the middle of what modern 357 Magnum hunting requires—enough velocity to ensure expansion without excess muzzle jump or blast.
Key Specifications
- Manufacturer: Hornady
- Manufacturer Part Number: 9052
- UPC: 090255390520
- Caliber: .357 Magnum
- Bullet Weight: 130 grains
- Bullet Type: MonoFlex (copper alloy)
- Rounds per Box: 25
- Case Type: Brass
- Muzzle Velocity: 1,250 fps (8-inch barrel)
- Muzzle Energy: 451 ft-lbs
- Ballistic Coefficient: 0.14 (G1)
- Weight Retention: 95 percent
- Application: Hunting medium game, personal defense
What’s Included
- 25 rounds of 357 Magnum ammunition
Frequently Asked Questions
How does the MonoFlex bullet expand compared to a standard hollow point?
The MonoFlex uses an elastomer material inside the hollow point cavity that compresses on impact and forces outward expansion in all directions. This method causes the bullet to expand faster than traditional hollow points, even at the lower velocities typical of handgun cartridges. Because the bullet is made from a single piece of copper alloy, it stays together through the expansion process instead of fragmenting or separating.
Is this ammunition suitable for lever-action rifles as well as handguns?
Yes, this load works well from both handguns and rifles. The MonoFlex bullet was engineered to expand reliably across a wide velocity range, so it performs whether you're shooting it from a 2-inch revolver or a rifle with a longer barrel. You'll get deeper penetration from higher velocities, but the bullet remains stable and expands consistently in both scenarios.
What makes the copper alloy construction better than traditional lead-core bullets for hunting?
Copper alloy doesn't separate into pieces the way a lead core can separate from its jacket. This means the bullet retains 95 percent of its weight, delivering deeper penetration and more consistent performance on game. The solid construction also produces zero lead fouling in your barrel, which matters if you're shooting frequently or in areas where lead ammunition isn't preferred.
What kind of game is this load appropriate for?
This is designed for medium game including deer-sized animals and similar species. The combination of deep penetration and reliable expansion makes it effective on animals in the 50 to 300-pound range. It also works for personal defense applications where you need consistent performance from a handgun.


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