Winchester USA “White Box” M193 is centerfire rifle ammunition chambered for 5.56x45mm NATO and loaded with a 55‑grain full metal jacket projectile. It is produced for target shooting and training where consistent, non‑expanding performance is required. The cartridges use brass cases and are offered in a standard 20‑round boxed configuration.
Packaging: Sold per box containing 20 rounds. Case ordering: This ammunition can be ordered by the case; a case equals 50 boxes (1,000 rounds) and is achieved by ordering 50 boxes.
Key Specifications
- The caliber is 5.56x45mm NATO.
- The bullet weight is 55 grains.
- The bullet type is Full Metal Jacket (FMJ).
- The listed muzzle velocity is 3180 fps.
- The listed muzzle energy is 1235 ft lbs.
- The rounds per box are 20.
- The boxes per case are 50.
- The units per case (rounds) are 1,000.
- The case material is Brass.
- The model/series is M193 (Lake City).
Winchester USA M193 delivers straightforward, range‑oriented performance in a familiar boxed format and larger case quantities for extended training sessions. Its full metal jacket construction and brass cases make it suitable for consistent function in service‑type rifles and organized practice where reliable, economical ammunition is required.
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.
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