The Underwood .44 Remington Magnum +P+ 340gr Flat Nose Hard Cast from Underwood Ammo (Underwood part no. 743) is a heavy lead bullet loaded to a +P+ level, sold in a 20-round box. The bullet is hard cast, flat nosed and coated in Underwood’s Black Cherry polymer, which it says prevents lead-to-bore contact and lets you shoot higher velocities without lead fouling. Underwood describes hard cast flat nose bullets as non-expanding and powerfully penetrative. Listed performance is 1,425 fps and 1,533 ft-lbs of muzzle energy. Underwood prints a high-pressure warning on this load, so read the compatibility answer below before you order.

Key Specifications

• Chambering is .44 Remington Magnum +P+, the designation Underwood prints for this high-pressure load.
• Bullet weight is 340 grains, the projectile mass Underwood lists for this load.
• Bullet construction is black cherry coated hard cast lead, a non-expanding design.
• The bullet model is a flat nose hard cast, a flat-faced lead bullet profile.
• Muzzle velocity is listed at 1,425 fps, the figure Underwood publishes for this load.
• Muzzle energy is listed at 1,533 ft-lbs, Underwood’s published number for this load.
• The case is nickel-plated brass, which Underwood says improves feeding and corrosion resistance and keeps the case from tarnishing in storage.
• Box quantity is 20 rounds, the number of loaded cartridges in the box you receive.
• Sectional density is 0.26, the ratio of the bullet’s mass to its cross-sectional area.
• Underwood classes this load as supersonic in its velocity rating.

Frequently Asked Questions

Is this +P+ load safe for my firearm? Underwood warns that, due to the pressures generated by this +P+ loading, it is not safe for use in all firearms. Only robust, heavy-duty handguns and rifles specifically designed to handle high-pressure loads should be used, and Underwood says firearms outside those categories should not be assumed safe. Always confirm your firearm’s strength before use.

Does this bullet expand? No. Underwood describes its hard cast flat nose bullets as non-expanding and powerfully penetrative.

How many rounds come in the box? The box holds 20 loaded rounds.

Buy the Underwood .44 Remington Magnum +P+ 340gr Flat Nose Hard Cast Ammunition, 20-Round Box

A 340-grain hard cast bullet at this pressure level is a specialty load for guns built for it. Order from our Lubbock, Texas gun shop for fast, insured shipping, and see more ammunition while you are here.