HSM/Hunting Shack Cowboy Action Features Maybe you re involved with formal sanctioning organizations for Cowboy Action shooting. Maybe you just like to go out on a weekend and shoot the Guns that Won the West or that your favorite TV and movie cowboy heroes used. Either way HSM has you covered. More calibers more selection in both pistol and rifle. Each round crafted with cowboy integrity and grit. A perseverance-for-perfection cowboy spirit. Perfect for your personal cowboy pistols and rifles. Bullet type Round Nose Flat Point- Hard. HSM/Hunting Shack Cowboy Action Specifications Caliber: 38-55 Win Model: Cowboy Action Bullet Weight: 240 gr Rounds Per Box: 20 Casing Material: Brass Application: Recreational Shooting Bullet Type: Round Nose Flat Point (RNFP) Muzzle Energy: 936 ft lbs Muzzle Velocity: 1325 fps