Also, Swedish Mausers without threads should require a slight premium over ones with threads, since the ones with threads were likely used and abused in training.
Anybody else agree with this ?
I don't , but I'm a newby to mil surps and mine has threads so I may be biased
Crazyhands is more right than wrong on this subject.
Swedish Mausers with threaded muzzles were generally done so by Swedish armorers on rifles that had already worn bores but not worn enough to replace, and were modified for the limited unit training rifles that were used when fitted with BFA's that shot their wooden training ammo which would shred up the bullet at the muzzle.
They never intended rifles with new barrels to be used with this wooden training ammo as it often accelerated the wearing out of the rifling. You will never find a real Swedish Sniper rifle with threaded barrels (as the firing of wooden training ammo in them was forbidden) or any rifle with a perfect condition bore disk fitted unless someone else besides the military put one on after it left service.
There is a reason that wood bullets wear out barrel rifling faster than what would be expected while Steel is much, much, harder than wood.
Yet somehow that soft organic stuff manages to dull a steel cutting edge. Consider a hand plane, planing some nice clean (that is, no included grit) piece of lumber. Sharpen that blade to a surgical edge, plane for a while, and the blade is dull.
Same deal with wood saw blades (including chainsaws) and axes, wood drills and other wood cutting and working tools is that most wood contains silica. There are other things involved as well, but the biggest culprit is the Silica Content of a given wood species. Silica is a natural abrasive compound and when driven at high speed down a bore will wear out a barrel faster than copper or cupro-metal bullets would ever do.
Some wood contains a higher content of Silica, this is the reason that some woods will dull cutters very quickly. Some Species are loaded with Silica, and they can and will dull a cutter QUICK.
(The build up of pitch and sap can also cause heat build-up, which can attribute to a blade or in this case rifling losing it's edge even more prematurely as well. It pays to keep 'em clean of pitch and sap.)
The Swedish being longtime wood/timber cutters and saw/axe makers knew this fact well.
When the barrel was finally toast from shooting this wooden training ammo they would then get a new non threaded barrel and would stay un-threaded until they reached a point of wear that warranted turning them into blank training ammo using rifles.
Some Swedish 6.5x55mm blank ammo with wood bullets had red coloured bullets and others from a earlier time period were plain wood -
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