(a) Ar500 Steel Gong 12" X 20" X 3/8" Silhouette Shooting Target- Rifle Target These AR500 steel targets work great for most pistol and rifle calibers, including 9mm, 45ACP, .223, 30-06 & 308 as well as most other high powered rifle calibers. Steel shooting targets are manufactured to from new high quality 3/8 inch thick AR500 steel plate made in the USA. Certified Ar500 Steel Targets Audible ring confirms hit, Moves and sounds off when hit Free Shipping!!!!!!!!!! (mounts, chains, stands not included)