Underwood Ammo 50 AE 300gr FMJ — 20rd Box

This Underwood Ammo offering is for the .50 Action Express cartridge loaded with a 300‑grain full metal jacket (flat nose) projectile. The rounds are factory new in brass, boxer‑primed, and described as reloadable. Published performance figures include a muzzle velocity of 1580 feet per second and muzzle energy of 1663 ft·lbs. Packaging information lists 20 rounds per box with 10 boxes per case.

Key Specifications

• The cartridge is listed as .50 Action Express.
• The bullet weight is 300 grains.
• The bullet profile is listed as Full Metal Jacket, flat nose.
• The muzzle velocity is listed as 1580 fps.
• The muzzle energy is listed as 1663 ft·lbs.
• There are 20 rounds per box.
• There are 10 boxes per case.
• The case material is listed as Brass.
• This product is listed as Reloadable (boxer‑primed).
• The product is rated Supersonic.

Designed for shooters who demand consistent factory ammunition in .50 AE, this Underwood load provides established velocity and energy figures in a 300‑grain FMJ flat‑nose package with reloadable brass cases. Its configuration and packaging make it suitable for range use and other lawful shooting applications where a heavy, full metal jacket projectile is appropriate.

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