CMP Ram Silhouette Target The Ram is 3/8 scale IHMSA/NRA silhouette made from 1/4" thick AR500 hardened steel for extreme long life and excellent impact resistance Overalldimensions 10 h x 12 w The target is made from 1/4" thick AR500 steel for use with 22 rimfire pistol or rifle caliber 15 yards minimum for 22 rimfire handgun or rifle use