Underwood Ammunition 458 HAM’R 300 Grain Hornady InterLock Jacketed Hollow Point 300 round




While taking advantage of state of the art testing equipment, this high performance ammunition by underwood is field tested using popular, real firearms that customers are most likely to own out in the real world with all the elements you would experience. If for some reason Underwood Ammunition fails to meet performance expectations, Underwood stands by their product 100% and will make sure the customer is satisfied with every purchase. This ammunition is new production, non-corrosive, in boxer primed, reloadable brass cases.


The Hornady InterLock is designed to be a devastating hunting bullet and nothing less. The InterLock Ring – a Hornady exclusive – ensures that the core and jacket remain locked during expansion. The InterLock retains more mass, energy and momentum after impact and transfers that energy to the target. Its reliable stopping power has earned the InterLock a worldwide reputation as a bullet for serious hunters.

Made In United States of America

WARNING: This product can expose you to Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to – www.P65Warnings.ca.gov.


Product Information

Cartridge 458 HAMR
Grain Weight 300 Grains
Quantity 300 Round
Muzzle Velocity 2100 Feet Per Second
Muzzle Energy 2938 Foot Pounds
Bullet Style Jacketed Hollow Point
Bullet Brand And Model Hornady Interlock
Lead Free No
Primer Boxer
Corrosive No
Reloadable Yes
G1 Ballistic Coefficient 0.197
Sectional Density 0.204
Country of Origin United States of America

Delivery Information

Shipping Weight 1.580 Pounds
DOT-Regulated Yes
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