Holy cow, we hit this stretch goal quickly! We will be adding a section to the book specifically on the .280 / 7mm cartridge used in the E.M. rifle program - so lets get the details from Jonathan! Don't have your copy ordered yet? Join the Kickstarter and help us make the book even better! https://www.kickstarter.com/projects/headstamp/thorneycroft-to-sa80-british-bullpup-firearms-19012020?ref=47es1e