Underwood 45-70 430gr Hardcast LFN – Rugged Hunting Ammo

Description

The Underwood 45-70 430gr Hardcast LFN load, Underwood item 750, is a 20 round box of 45-70 Government ammunition loaded with a 430 grain Hard Cast bullet rated at 1550 fps with 2294 ft-lbs of muzzle energy.

Underwood 45-70 430gr Hardcast LFN Overview

Underwood Ammo builds high-performance ammunition in Sparta, Illinois, and is known for loading cartridges to their full potential. Many Underwood loads run faster than typical factory ammunition while staying within safe pressure limits, and the company pairs that speed with premium bullets from makers such as Lehigh Defense and Hornady. Cases are nickel plated for smooth feeding and corrosion resistance.

Bullet Design

This load uses a hard cast lead bullet coated with Underwood’s Black Cherry polymer coating. Hard cast bullets barely deform on impact, so they drive deep, straight wound channels through heavy muscle and bone, which is why they are a favorite for large game and protection in bear country. The coating reduces leading and smoke and keeps the bore cleaner than bare lead.

Intended Use

This load is built for hunting large game and for protection against bears and other large animals, where straight, deep penetration is the priority. Always confirm reliable feeding and point of impact in your own firearm before you rely on it.

Firearm Compatibility

This ammunition is made for firearms chambered in 45-70 Government. Always check the caliber marking on your barrel or slide before loading. Underwood loads run at the upper end of safe pressure for the cartridge, so make sure your firearm is in good condition.

About Underwood Ammo

Underwood Ammo is a family-run American company that has built a reputation for powerful, accurate ammunition. Each load is developed and tested in-house, and the company publishes velocity and energy figures for every product so shooters know exactly what they are getting.

Recoil and Shootability

Recoil is in line with the cartridge and bullet weight. A good recoil pad and a solid position help with accuracy.

Why Shooters Choose Underwood

Shooters choose Underwood because the published numbers are real and the loads deliver them. Pairing premium bullets with carefully developed powder charges gives each load a clear purpose, whether that is defense, hunting or practice. Nickel or brass cases, quality primers and careful loading round out a product that many shooters trust when performance matters most.

Practice and Testing

Fire a few magazines or cylinders of this load before relying on it for defense or hunting. Confirm reliable feeding, extraction and point of impact, since fast or heavy loads can print to a different point than practice ammunition.

Choosing a Load

Choose your bullet for the job: solid copper fluid-transfer bullets for defense through barriers, expanding hollow points for controlled expansion, and hard cast or penetrator designs for large animals. Then pick a weight and speed you can shoot accurately.

Storage and Care

Store ammunition in a cool, dry place in its original boxes, away from solvents and lubricants that can contaminate primers. Inspect rounds before loading, and set aside any with dents, loose bullets or corrosion.

Specifications

• Brand: Underwood Ammo
• Item number: 750
• Caliber: 45-70 Government
• Bullet weight: 430 grain
• Bullet type: Hard Cast (black cherry coated hard cast)
• Muzzle velocity: 1550 fps
• Muzzle energy: 2294 ft-lbs
• Case: Nickel
• Count: 20 rounds per box
• UPC: 816874022600
• Made in the USA
• Photo note: one gallery photo shows a related Underwood load, included to show the packaging style.

Before You Buy

Federal law requires buyers of rifle ammunition to be at least 18 years old when buying from a licensed dealer. Some states and cities restrict ammunition purchases, require background checks or limit shipping, so check your local rules before you order.

Who It Is For

The Underwood 45-70 430gr Hardcast LFN is a great fit for shooters who want high-performance 45-70 Government ammunition from an American maker known for powerful, accurate loads.

Buy the Underwood 45-70 430gr Hardcast LFN at MAG5 Firearms

MAG5 Firearms is a family-owned FFL in Collegeville, Pennsylvania. Order the Underwood 45-70 430gr Hardcast LFN online and we will ship it to you where state and local law allow, or browse our full selection of ammunition for more rifle loads. For factory details, visit Underwood Ammo.