I know when these were first introduced there was going to be a threaded model that met Canadian barrel length requirements.
Seems like R51 2nd gens are going to start shipping soon. Any chance of getting one of the threaded models sent to the rcmp for approval?
http://www.thefirearmblog.com/blog/2016/06/22/breaking-remington-reintroduces-the-r51-pistol/?utm_source=facebook&utm_medium=SumoMe&utm_campaig n=sumome_share