Description
HSM loads this cowboy action ammunition to traditional-style pressures that work reliably in the old-school pistols and rifles that define the sport. The 200-grain hard-cast bullet with a round-nose flat-point profile is built to feed smoothly through single actions and lever guns without causing any feeding issues that softer or jacketed bullets sometimes create.
What Makes HSM Cowboy Action Stand Out
This isn't a powder-puff load, despite what some people assume about cowboy ammunition. The 750 fps velocity hits a sweet spot where you get plenty of energy for targets and game alike, while keeping recoil manageable enough for fast, accurate follow-up shots. The hard-cast bullet construction gives you better longevity through your barrel compared to softer lead options, which matters if you're putting hundreds of rounds downrange between cleaning sessions.
Built for Reloaders and Competition
These come with reloadable brass cases and boxer primers, so if you reload, you can stretch your dollar even further. The non-corrosive priming means you don't have to worry about cleaning delays between shooting sessions. Every box has 50 rounds, which is the standard for cowboy action matches and practice sessions.
Competition-Ready Velocity and Energy
The 250 foot-pounds of energy at the muzzle puts this load in the practical range for typical cowboy action distances and hunting applications. Factory testing consistently shows 750 fps, giving you ballistics you can count on shot to shot. Whether you're running SASS matches or just enjoying traditional firearms on the weekend, this ammunition delivers the consistency and accuracy that keep you shooting.
Key Specifications
- Caliber: .45 Colt (45 Long Colt)
- Bullet Weight: 200 grains
- Bullet Type: Hard-Cast Round Nose Flat Point (RNFP)
- Muzzle Velocity: 750 feet per second
- Muzzle Energy: 250 foot-pounds
- Rounds per Box: 50 rounds
- Case Type: Brass, reloadable
- Primer: Boxer, non-corrosive
- Manufacturer: HSM (Hunting Shack Munitions)
- Manufacturer Part Number: 45C2N
- UPC: 837306005527
What’s Included
- 50 rounds of HSM Cowboy Action 45 Colt ammunition
Frequently Asked Questions
Will HSM Cowboy Action 45 Colt ammunition work in my vintage single-action revolver?
Yes, this load is specifically designed for period firearms and modern replicas alike. The moderate pressures mean it's safe for older steel guns while still delivering enough velocity and energy for reliable performance. The hard-cast bullets feed smoothly through single-action cylinders without issues.
Can I reload these brass cases?
Absolutely. The boxer-primed brass cases are fully reloadable, which makes this a smart choice for folks who handload. You can resize, reload, and fire them multiple times before the brass shows any signs of wear.
Is this ammunition suitable for hunting?
For appropriate game at reasonable hunting distances, yes. The 200-grain hard-cast bullet at 750 fps delivers 250 foot-pounds of energy, which is adequate for hunting applications in the hands of a skilled shot with a properly zeroed firearm.
What's the difference between RNFP and other bullet profiles for cowboy action?
RNFP stands for round-nose flat-point. This design feeds reliably through lever-action rifles and single-action pistols, offers excellent accuracy, and delivers consistent performance. It's the traditional profile for cowboy action shooting and hunting with classic firearms.




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