[L473ncy]

Lets see:

There's no law specifically stating anything about blaze orange flash hiders. As for playing.....

http://code.municipalworld.com/kitchener/745.pdf

Article 1
INTERPRETATION
745.1.1 Gun - defined
“gun” shall include any firearm, air gun, spring gun, pellet gun, air soft gun, or paint ball gun.

745.2.1 Discharge - within City - prohibited
No person shall discharge any gun within the City.
745.2.2 Possession - in park - natural area - prohibited
No person shall possess a gun in any park, natural area, or trail owned,managed
or maintained by the City.
745.2.3 Possession - in public place - restriction
No person shall possess a gun in a public place unless it is:
(a) contained in an case, container or pouch through which the gun
is not visible; and
(b) unloaded.

745.3.1 Fine - for contravention
Every person who contravenes any provision of this Chapter is guilty of an offence and is liable, upon conviction, to a fine not exceeding Five Thousand Dollars ($5,000), exclusive of costs, for each offence, recoverable under the Provincial Offences Act.