.223 Remington ammunition remains the go-to choice for AR-15 platforms and bolt-action varmint rifles, delivering flat-shooting consistency with bullet weights from 40 to 77 grains. Full metal jacket (FMJ) loads feed reliably for high-volume plinking and range practice, while polymer-tipped and match-grade bullets offer exceptional downrange accuracy for precision target work and small-game hunting. Whether you’re zeroing optics or knocking down prairie dogs, these cartridges provide dependable ignition and manageable recoil in every shot. Sportsman’s Outdoor Superstore carries a broad selection of .223 Rem cartridges from top manufacturers—compare grain weights, bullet profiles and load types, then secure your rounds online with competitive pricing, secure checkout and fast shipping.