Beretta CX4 according to the CBC. That is a small rifle chambered for 9mm pistol ammunition. Prior to Kim Campbell's gun ban of 1992 I used to own a rifle something like it. They are fun at the range, as the man said. Their purpose is primarily sporting, as in shooting pop cans and possibly the odd ground hog. Your outrage at the suggestion that such a thing could be fun indicates you may be a spoil sport.
Third, the committee of men and women who are not just buffs but widely respected experts in the fields of firearms and policing " indicates you may be more attached to your propaganda campaign than you are to preventing more murders of little boys, because clearly your gun registry/gun ban ideas are not working. Jordan Manners' murder is sufficient proof of that, if more proof was needed.
There has been strict registration of pistols in this country since the 1930's, and a billion odd dollars has been spent registering all other types since 1995. Yet a 17 year old with poor impulse control