They include a mandatory buyback of guns the government considers assault-style firearms, a crackdown on high-capacity firearm magazines and efforts to combat gun smuggling.
Though a national ban is not anticipated in the bill, the government could take steps in that direction by phasing out handgun ownership with a cap on the number of firearm licences, outlawing the importation and manufacture of new handguns, or enacting tougher storage rules.
https://www.cbc.ca/news/politics/handguns-liberal-bill-1.6470554