223 Rem – 55 gr FMJ – Winchester (SG223KW) – 1000 Rounds

A thousand rounds of 223 Remington covers a carbine course, a season of local matches, or simply a reserve for an AR-15 you shoot often. This listing is Winchester 223 Remington 55 grain full metal jacket ammo, MPN SG223KW, sold as 1,000 rounds for range practice, rifle classes, and stocking up in one purchase.

The 55 grain full metal jacket is the standard 223 practice bullet. It shoots flat at typical carbine distances, produces light recoil for quick follow-up shots, and is easy on the shoulder through long sessions. Because it is commercial 223 Remington rather than 5.56 NATO, it is loaded to 223 pressure, which works in both types of chambers. A full metal jacket bullet does not expand, so this load is meant for target practice and training, not for hunting or self defense.

This ammunition fits rifles chambered in 223 Remington, 5.56x45mm NATO, and 223 Wylde, including AR-15 rifles from Smith and Wesson, Ruger, Colt, Springfield, and Palmetto State Armory, plus the Ruger Mini-14, Ruger American Ranch, Savage Axis and 110, Mossberg MVP, and CZ 600 Alpha. A common question is whether 223 ammunition is safe in a rifle marked 5.56 NATO. Yes, the 5.56 chamber accepts 223 safely. The reverse is the concern, since 5.56 is loaded hotter. Another common question is whether 55 grain FMJ is accurate enough for practice. For most AR-15s it groups well enough for drills and steel at 100 to 300 yards, which is exactly what it is for.

Winchester SG223KW is new production ammunition, not reloads, made in the USA. It is loaded in brass cases with non-corrosive primers. This listing contains 1,000 rounds of 223 Remington 55 grain FMJ from one lot, which keeps function and point of impact uniform across the whole quantity. Keep the boxes sealed and dry and the supply will store well until you need it.