69 or 75 grain .224\” 3GH Terminal Ballistics TestingBy Dan Miller / RMR Bullets Home › Forum › General Reloading Discussion › 69 or 75 grain .224\” 3GH Terminal Ballistics Testing This topic has 10 replies, 3 voices, and was last updated 2 years, 1 month ago by Dan Miller. You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In