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Caution, rebarreling a post-war Mannlicher – Schoenauer is no easy job, far more demanding than a Mauser or even pre-war Mannlichers. Few knowing gunsmithes will dare to tackle it. Why? Inside the receiver ring of M-Sch actions is a collar with recesses for the locking lugs. These recesses have angled rear surfaces that push the bolt back on lifting the bolt handle to achieve primary extraction. On pre-war M-Sch rifles this collar is part of the receiver. the barrel simply abuts against the collar with a flat breech end. As one of the many manufacturing short cuts that collar with it's recesses was made as a part of the barrel on post-war M-Schs. So the recesses and primary extraction slopes have to be machined into the replacement barrel. They have to be perfectly indexed with barrel shoulder and threads to line up for reliable function after screwed tightly into the receiver, a task near impossible without the gages the factory used. I suggest having the original barrel rebored to .35 Whelen or 9.3x62, but only if the original bore is really gone. This will still leave you with a lot of careful modification of the magazine, follower "troughs" and guide ring.

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