[XComGame.X2BodyPartTemplateManager]

;HEAD
+BodyPartTemplateConfig=(PartType="Helmets", DLCName="Masterchief", TemplateName="master_Helmets_M", ArchetypeName="Masterchief.Archetypes.ARC_Head_M", Gender=eGender_Male, bCanUseOnCivilian=false, bVeteran=false, bAnyArmor=true)

;TORSO
+BodyPartTemplateConfig=(PartType="Torso", DLCName="Masterchief", TemplateName="master_Torso_KV_M", ArchetypeName="Masterchief.Archetypes.ARC_Torso_M", Gender=eGender_Male, bCanUseOnCivilian=false, bVeteran=false, ArmorTemplate="MjolnirStartingArmor", CharacterTemplate="Soldier")
+BodyPartTemplateConfig=(PartType="Torso", DLCName="Masterchief", TemplateName="master_Torso_MPL_M", ArchetypeName="Masterchief.Archetypes.ARC_Torso_M", Gender=eGender_Male, bCanUseOnCivilian=false, bVeteran=false, ArmorTemplate="MjolnirPlatedArmor", CharacterTemplate="Soldier")
+BodyPartTemplateConfig=(PartType="Torso", DLCName="Masterchief", TemplateName="master_Torso_LPO_M", ArchetypeName="Masterchief.Archetypes.ARC_Torso_M", Gender=eGender_Male, bCanUseOnCivilian=false, bVeteran=false, ArmorTemplate="MjolnirPoweredArmor", CharacterTemplate="Soldier")

;ARMS
+BodyPartTemplateConfig=(PartType="Arms", DLCName="Masterchief", TemplateName="master_Arms_KV_M", ArchetypeName="Masterchief.Archetypes.ARC_Arms_M", Gender=eGender_Male, bCanUseOnCivilian=false, bVeteran=false, ArmorTemplate="MjolnirStartingArmor", CharacterTemplate="Soldier")
+BodyPartTemplateConfig=(PartType="Arms", DLCName="Masterchief", TemplateName="master_Arms_MPL_M", ArchetypeName="Masterchief.Archetypes.ARC_Arms_M", Gender=eGender_Male, bCanUseOnCivilian=false, bVeteran=false, ArmorTemplate="MjolnirPlatedArmor", CharacterTemplate="Soldier")
+BodyPartTemplateConfig=(PartType="Arms", DLCName="Masterchief", TemplateName="master_Arms_LPO_M", ArchetypeName="Masterchief.Archetypes.ARC_Arms_M", Gender=eGender_Male, bCanUseOnCivilian=false, bVeteran=false, ArmorTemplate="MjolnirPoweredArmor", CharacterTemplate="Soldier")

;LEGS
+BodyPartTemplateConfig=(PartType="Legs", DLCName="Masterchief", TemplateName="master_Legs_KV_M", ArchetypeName="Masterchief.Archetypes.ARC_Legs_M", Gender=eGender_Male, bCanUseOnCivilian=false, bVeteran=false, ArmorTemplate="MjolnirStartingArmor", CharacterTemplate="Soldier")
+BodyPartTemplateConfig=(PartType="Legs", DLCName="Masterchief", TemplateName="master_Legs_MPL_M", ArchetypeName="Masterchief.Archetypes.ARC_Legs_M", Gender=eGender_Male, bCanUseOnCivilian=false, bVeteran=false, ArmorTemplate="MjolnirPlatedArmor", CharacterTemplate="Soldier")
+BodyPartTemplateConfig=(PartType="Legs", DLCName="Masterchief", TemplateName="master_Legs_LPO_M", ArchetypeName="Masterchief.Archetypes.ARC_Legs_M", Gender=eGender_Male, bCanUseOnCivilian=false, bVeteran=false, ArmorTemplate="MjolnirPoweredArmor", CharacterTemplate="Soldier")

Add the above lines into any Xcomcontent.ini and it will add the parts from the mod Halo Master Chief Pack to be available to the Spartan pointman class