Storage of Restricted Firearms
6 An individual may store a
restricted firearm only if
(a) it is unloaded;
(b) it is
(i) rendered inoperable by means of a secure locking device and stored 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, or
(ii)
stored in a vault,
safe or room that has been specifically constructed or modified for the secure storage of restricted firearms and that is kept securely locked; and
(c) it is not readily accessible to ammunition, unless
the ammunition is stored, together with or separately from
the firearm, in
(i) a container or receptacle that is kept securely locked and that is constructed so that it cannot readily be broken open or into, or
(ii) a vault,
safe or room that has been specifically constructed or modified for the secure storage of restricted firearms and that is kept securely locked.
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https://laws-lois.justice.gc.ca/eng/.../FullText.html