HSM Cowboy Action ammunition is formulated for classic pistol and rifle shooting and is appropriate for Cowboy Action competition and recreational target use. The load uses a traditional soft lead round nose flat point profile that matches period-correct .38-40 Winchester firearms. Manufacturer specifications list a muzzle velocity of 930 fps and muzzle energy of 346 ft lbs. The product is sold per box (retail unit); case orders are fulfilled as ten boxes per case.
Key Specifications
- The cartridge is caliber .38-40 Winchester.
- The bullet weight is 180 grains.
- The bullet type is lead round nose flat point (RNFP).
- The listed muzzle velocity is 930 fps.
- The listed muzzle energy is 346 ft lbs.
- Cartridge case material is brass.
- The product is reloadable: Yes.
- Boxes per case is 10.
- Intended application is target shooting.
This HSM load provides a historically appropriate, soft-lead RNFP profile suited to traditional .38-40 pistols and rifles used in Cowboy Action and similar shooting disciplines. Its documented velocity and energy align it with period-correct loads for consistent, predictable performance in compatible firearms.
Product information is supplied by the manufacturer and/or distributor and may be automatically formatted or enhanced using AI for clarity and consistency. While we strive for accuracy, specifications, features, and included items may change without notice. Always verify details using the manufacturer’s official documentation and the information shown on this product page before purchase or use.
Related Videos:
