Description
Underwood Ammo 458 HAMMER ammunition, 300 grain polymer-tipped, 20 rounds per box.
Polymer-tipped – a synthetic tip sits in the nose. It resists deforming in the magazine, gives a more consistent shape in flight, and drives back into the bullet on impact to start expansion.
Bullet weight is given in grains; there are 7,000 to the pound, so this one weighs 300 grains. Within a calibre a heavier bullet generally leaves the muzzle slower and carries its velocity further, while a lighter one starts faster and sheds speed sooner.
Cost per round: $1.70.
Ammunition is not a firearm and ships directly to you, though some states and cities restrict ammunition shipments or require a licence or permit. Check your local rules before ordering – if you are unsure, ask us first.
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