Fort Scott Munitions 5.56x45mm NATO ammunition is offered in 20-round boxes for rifle applications, including hunting and defensive use as listed by the manufacturer. The load is built on a brass case and is specified with a muzzle velocity of 3426 fps and muzzle energy of 1433 ft lbs. Product packaging is sold per box (20 rounds); case quantities are available by ordering 25 boxes per case (500 rounds total).
Key Specifications
- The caliber/gauge is .223 REM/5.56 NATO.
- The cartridge weight is listed as 55 gr.
- Each retail box contains 20 rounds.
- A standard case is listed as 25 boxes per case.
- The case material is Brass.
- The listed muzzle velocity is 3426 fps.
- The listed muzzle energy is 1433 ft lbs.
- The manufacturer lists the application as Defense/Hunting.
- The UPC for this listing is 753677048140.
Fort Scott Munitions’ 5.56x45mm offering provides a consistent factory-loaded option with clear packaging and bulk case availability. With specification data for velocity, energy, case material, and pack counts published by the manufacturer, this load suits shooters looking for a specified 55-grain 5.56 NATO cartridge in 20-round boxes and bulk case quantities.
Product information is supplied by the manufacturer and/or distributor and may be automatically formatted or enhanced using AI for clarity and consistency. While we strive for accuracy, specifications, features, and included items may change without notice. Always verify details using the manufacturer’s official documentation and the information shown on this product page before purchase or use.




