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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
17-4 PH Stainless cut rifled barrels
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<blockquote data-quote="sirrocco" data-source="post: 452763" data-attributes="member: 6384"><p>Well all these things have been done before - Barrels made from 17-4Ph (walther) and gain twists, by a number of people but not the 2 together. The reason most barrel makes dont want to use 17-4 is because it can prove to be a rather large pain in the *** to machine. </p><p>I havent priced 416 lately but am guessing 17-4 will be twice the price, maybe a little more. In addition to the price difference of the raw material the machining, drilling, reaming, rifling time will no doubt be extended and cutter life reduced. So the end result will have to cost a bit more. This exercise is not about making something cheaper tho', (there's truckloads of people out there doing that) its about making something better in every way possible. The end will be stronger, last significantly longer, more corrosion resistant and hopefully be as accurate, foul the same, with less peak pressure, as standard 416 tubes. Its nothing new really- just combining a bunch of "previously done" into one package. </p><p>Not sure of the machinability, temerature stability, or corrosion resistance of armour plate, so dont know whether or not it would make good barrels. There are other methods of hardening the surface of barrels to achieve similar results that we will also be experimenting with. Perhaps barrel makers like the idea of built in obsolescence? So they can sell more.....</p></blockquote><p></p>
[QUOTE="sirrocco, post: 452763, member: 6384"] Well all these things have been done before - Barrels made from 17-4Ph (walther) and gain twists, by a number of people but not the 2 together. The reason most barrel makes dont want to use 17-4 is because it can prove to be a rather large pain in the *** to machine. I havent priced 416 lately but am guessing 17-4 will be twice the price, maybe a little more. In addition to the price difference of the raw material the machining, drilling, reaming, rifling time will no doubt be extended and cutter life reduced. So the end result will have to cost a bit more. This exercise is not about making something cheaper tho', (there's truckloads of people out there doing that) its about making something better in every way possible. The end will be stronger, last significantly longer, more corrosion resistant and hopefully be as accurate, foul the same, with less peak pressure, as standard 416 tubes. Its nothing new really- just combining a bunch of "previously done" into one package. Not sure of the machinability, temerature stability, or corrosion resistance of armour plate, so dont know whether or not it would make good barrels. There are other methods of hardening the surface of barrels to achieve similar results that we will also be experimenting with. Perhaps barrel makers like the idea of built in obsolescence? So they can sell more..... [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
17-4 PH Stainless cut rifled barrels
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