Product DescriptionUnderwood Ammo 737 is a high-performance .44 Special load built around a 255 grain hard cast Keith-type semi-wadcutter with a gas check and Underwood's Black Cherry polymer coating. Designed for deep, reliable penetration for hunting and woods defense, the coating helps reduce lead-to-bore contact to virtually eliminate lead fouling while delivering strong wear and abrasion resistance. Loaded in new production, non-corrosive, boxer-primed, reloadable nickel-plated brass and using flash-suppressed powder, this ammunition is engineered for dependable performance in real-world conditions.Compatibility note: This ammunition is safe to fire in firearms chambered in .44 Special or .44 Remington Magnum except for the Charter Arms Bull Dog. Do not fire this ammunition in a Charter Arms Bull Dog.Product Highlights 255gr hard cast Keith-type semi-wadcutter (gas check) for powerful, straight-line penetration Black Cherry polymer coating helps prevent gas cutting and virtually eliminates lead fouling Nickel-plated, boxer-primed brass is reloadable and offers enhanced corrosion resistance Flash-suppressed powder helps preserve night vision in low-light shooting Factory-rated performance: 1000 fps muzzle velocity and 566 ft-lbs muzzle energySpecs Brand Name: UNDERWOOD AMMO Manufacturer Part Number: 737 UPC: 816874020538 Cartridge: .44 Special (also noted compatible with .44 Remington Magnum firearms; see compatibility note) Bullet Weight: 255 grains Bullet Type: Hard Cast Keith-Type Semi-Wadcutter, Gas Check Bullet Material: Lead (contains lead) Bullet Diameter: 0.429 Coating: Black Cherry polymer coating Case Material: Nickel-plated brass Primer: Boxer Corrosive: No (non-corrosive) Reloadable: Yes Muzzle Velocity: 1000 fps Muzzle Energy: 566 ft-lbs Rounds per Box: 20 Boxes per Case: 10 Intended Use: Hunting / woods defense Country of Manufacture: United States of AmericaDisclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product's manufacturer.