Gunsmithing Sako AI extractor cut

flyfisherman246

Private
Full Member
Minuteman
May 26, 2017
569
198
Does anyone know what tool is used to cut the extractor cut on a Sako AI barrel, or the specs on it? It looks like its convex. Does it use the same as the winchester pre 64 that PTG sells? Attached is a picture of the take off barrel.


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