Remington HTP "High Terminal Performance" ammunition is designed with self-defense and hunting in mind. All HTP ammunition feature an appropriate expanding type bullet designed for the task at hand. Waterproof sealant is used on the primers and case mouths to ensure consistent performance from everyday carry or adverse conditions

Specifications: 

Cartridge	357 Magnum
Grain Weight	158 Grains
Quantity	20 Round
Test Barrel Length	4 inches
Muzzle Velocity	1235 Feet Per Second
Muzzle Energy	535 Foot Pounds
Bullet Style	Semi-Jacket Hollow Point
Lead Free	No
Case Type	Brass
Primer	Boxer
Corrosive	No
Reloadable	Yes
Country of Origin	United States of America