you can get most rilfe parts from the states but as long as it does not go over 100 dollers then you need a export import permit
Keep in mind, complete breech (bolt) assemblies are controlled like receivers, barrels and cylinders. Stripped bolts are not.
TITLE 22 - FOREIGN RELATIONS
CHAPTER I - DEPARTMENT OF STATE
SUBCHAPTER M - INTERNATIONAL TRAFFIC IN ARMS REGULATIONS
PART 123 - LICENSES FOR THE EXPORT OF DEFENSE ARTICLES
123.17 - Exports of firearms and ammunition.
123.17(a) Minor components - Components and parts for Category I firearms are exempt from licensing requirements when the total value does not exceed $100 wholesale in any single transaction. Barrels, cylinders, receivers (frames), or complete breech mechanisms are major components and require a license.
http://www.pmddtc.state.gov/licensing/documents/Guidelines_Firearms.pdf
http://cfr.vlex.com/vid/123-17-exports-firearms-ammunition-19719621