I'm a Syndicalist/Marxist. So I think Authoritarianist strands of Socialism are doomed to result in Stalinism or Juche from the get go, but in any case I would advocate for freedom to bear arms. It allows the workers to use force to protect their freedom should some Totalitarian regime attempt to take them away. But that is from my heavily anti-authoritarian-Socialist viewpoint in an attempt to strip power from a Socialist or Communist party and maintain the power as in the hands of the workers of a nation. So I don't know for Authoritarian Socialists, but I would imagine if you want to enforce a vanguard party's influence and control over a society to "safeguard" Socialism, it would be somewhat counterintuitive to give them all the power to resist government influence on them. This is how the Soviet Union maintained control, by taking back the arms used by workers in the civil war in 1918 on threat of 10 years imprisonment. But I feel that was one of the downfalls of Leninism and allowed for Stalin to devastate the nation and for his successors to just create State Capitalism.
So I would heavily advise against restricting gun ownership, but that is me trying to mitigate risk of a Totalitarian dictatorship betraying the revolution. So if you actually want to create Authoritarianism, I'd imagine you somehow be pro-gun until after a successful revolution, in which you go back on it and have all weapons seized.
