HSM Cowboy Action .357 Magnum 158gr SWC Ammunition
HSM's Cowboy Action line delivers traditional .357 Magnum loads at moderate pressures, perfect for period firearms and modern revolvers. 158-grain semi-wadcutter hard cast bullets at 1175 fps. New production, non-corrosive, boxer-primed, reloadable brass. 50 rounds per box.
HSM Cowboy Action .357 Magnum Ammunition
Whether you're competing in sanctioned Cowboy Action Shooting events or simply enjoying a weekend with classic firearms, HSM's Cowboy Action line delivers authentic performance with modern reliability.
Key Features
- Caliber: .357 Magnum
- Bullet Weight: 158 grains
- Bullet Type: Semi-Wadcutter Hard Cast Lead
- Velocity: 1175 feet per second
- Muzzle Energy: 484 foot-pounds
- Primer: Boxer, non-corrosive
- Cases: Reloadable brass
- Quantity: 50 rounds per box
Performance and Design
These loads are specifically engineered with moderate pressures that make them ideal for both period-correct firearms and modern .357 Magnum revolvers. The semi-wadcutter design provides excellent accuracy and reliable expansion, while the hard cast lead construction ensures consistent performance downrange.
HSM's commitment to quality means each round is crafted with precision and integrity. You get the authentic cowboy spirit paired with dependable, affordable ammunition that performs when it matters most.
Features
- semi-wadcutter projectile
- muzzle velocity: 1175 fps
- muzzle energy: 484 ft. lbs.
- reloadable, non-corrosive, boxer primed
