And the first search result when you type "firearms act Canada display of firearm ammunition" into Google is...
DISPLAY OF NON-RESTRICTED FIREARMS
8. An individual may display a non-restricted firearm only if it
(a) is unloaded;
(b) is rendered inoperable by means of a secure locking device or is in a container, receptacle or room that is kept securely locked and that is constructed so that it cannot readily be broken open or into; and
(c) is not displayed with and is not readily accessible to ammunition that can be discharged from it.