Winchester‘s Lake City ammunition in .223 Remington (brand part no. W223150C) loads a 55-grain full metal jacket bullet, sold by the full 600-round case packed as four 150-round boxes. Lake City is the U.S. Army’s own ammunition plant, and loadings carrying its name trace back to military-grade manufacturing standards rather than a typical commercial production line. The 55-grain FMJ is a straightforward, reliable bullet built for feeding through AR-platform rifles rather than hunting-style expansion, the standard formula for high-volume range training. At this case quantity, true cost works out to roughly 57 cents a round. For .223 Remington shooters who want military-heritage brass in bulk, this rifle ammunition case is built to run.

Key Specifications

• The chambering is .223 Remington, one of the most widely available AR-platform cartridges.
• The bullet weighs 55 grains, a standard weight for the caliber.
• The bullet is a full metal jacket, built for reliable feeding rather than expansion.
• This ammunition is manufactured at Lake City, the U.S. Army’s ammunition plant.
• True cost runs about $0.57 per round at this case quantity.
• Shipping weight for the case runs 15.75 pounds.
• The full case is packed as four 150-round boxes, 600 rounds total.

Frequently Asked Questions

Is this FMJ round good for hunting? No, full metal jacket bullets aren’t built to expand, so this load is best suited to range, training, and target use.

Why does Lake City matter as a manufacturer? Lake City is the U.S. Army’s own ammunition plant, and its loadings are held to military-grade manufacturing standards.

How much ammo comes in the full case? The case is packed as four 150-round boxes, 600 rounds total.

Buy Winchester Lake City .223 Remington 55gr FMJ Case

Military-heritage brass at a genuine case-quantity price is hard to beat for high-volume range training. Order from our Lubbock, Texas gun shop and it ships fast to your door.