5.56 NATO – First Breach 55 Grain Full Metal Jacket – 1000 Rounds Bulk

5.56 NATO Bulk 5.56 55gr FMJ is a standard weight FMJ load suited for target shooting, varmint hunting, and defensive rifle use. At 55gr — the most common weight for this caliber, balancing velocity, recoil, and terminal performance. Full metal jacket — no expansion, consistent penetration, and reliable feeding in semi-autos. The standard for range training and high-volume practice. Brass-cased for reliable feeding and easy reloading — the standard for range use and carry. This 1,000-round case is sized for range sessions and bulk stocking.

5.56 is a widely tracked caliber on SendRounds, used for target shooting, varmint hunting, and defensive rifle use. Prices are tracked daily across active retailers. We include estimated shipping when retailer inputs are reliable, so you see more than the headline price.