A person is not authorized to use force to resist an arrest that the person knows is being made either by a peace officer or by a private person summoned and directed by a peace officer to make the arrest, even if the person believes that the arrest is unlawful and the arrest in fact is unlawful.
Use Of Force In Resisting Arrest
Mont. Code Ann. § 45-3-108, under When Force Justified.
Mont. Code Ann. § 45-3-108