Underwood Ammo Lead Flat Nose Gas Check Handgun Ammunition 357 Mag 180gr LFN 784 fps 20/ct

Underwood Ammo's 357 Magnum 180-grain lead flat nose ammunition with gas check delivers serious power for hunters and defensive shooters who demand performance from their wheelguns. Loaded to 784 feet per second, this round develops 784 ft-lbs of muzzle energy—enough to make it a respected choice for hunting medium game and serious defensive work. The flat-nose profile and gas check design are built for reliable feeding, consistent expansion, and the kind of terminal performance that matters when precision counts.

Built on nickel-plated brass cases, this ammunition is non-corrosive and fully reloadable, so you can reload your brass for long-term shooting. Each round is new production, boxer-primed, and loaded to deliver supersonic velocities that ensure your shots stay downrange fast and stable. The 180-grain lead bullet carries a sectional density of 0.201761376819635, meaning it's engineered to penetrate effectively and transfer energy where it counts—a critical factor for hunting applications where reliable performance is non-negotiable.

If you run a suppressor on your 357 Magnum, you'll appreciate that this ammunition is rated safe for suppressed use, giving you flexibility in how you shoot. Whether you're working up loads on your reloading bench, heading to the range for serious practice, or preparing for field use, Underwood's commitment to quality brass and consistent powder charges makes this a dependable round you can trust. Each box contains 20 rounds of ammunition.

Key Features

• 180-grain lead flat nose bullet with gas check for reliable feeding and consistent performance
• 784 ft-lbs muzzle energy at 784 fps—proven for hunting and defense
• Nickel-plated brass cases for corrosion resistance and easy identification
• New production, non-corrosive, boxer-primed and fully reloadable
• Supersonic velocity ensures stable flight downrange
• Suppressor-safe for shooters running suppressors
• 20 rounds per box

Specifications

Frequently Asked Questions

Can I use this 357 Mag ammunition with a suppressor?

Yes. Underwood rates this 357 Magnum 180-grain load as safe for use with suppressors, so you can run it suppressed without concern.

Is this ammunition reloadable?

Yes. The nickel-plated brass cases are boxer-primed and fully reloadable, making this an economical choice for hand-loaders who want to recycle their brass.

What is this ammunition best used for?

This round is designed for both hunting and self-defense applications. The 180-grain flat-nose bullet with gas check is engineered for reliable feeding and terminal performance on medium game and defensive use.

How much muzzle energy does this load produce?

This ammunition generates 784 feet per second of velocity and 784 ft-lbs of muzzle energy, developing serious power for a 357 Magnum load.