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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Melonite barrel treatment
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<blockquote data-quote="Trickymissfit" data-source="post: 957859" data-attributes="member: 25383"><p>Ruger stainless steels that I've been around seem to have a higher Rockwell than say a Remington or Savage. But I've drilled and tapped holes in them using carbide taps. The newer Tin' coated cobalt stuff might work as well. Never tried using it. The 416 alloy is a crap steel on a good day. Carries a lot of retained Martensite, and that's a bad thing. Most will never know, but when you are looking a minus twenty degrees it shows it ugly head. Many will disagree with my comment, but many are also clueless in metallurgy. Steel manufacturers will tell you differently. Weatherby even issues a warning (they use 416). There's a really simple way out of this, but will add about a hundred dollars to the rifle. One could probably do a Ruger without any problems, but if it were me, I'd just do the barrel and maybe the bolt. Castings are a different ball game, but Ruger is also one of the better folks at doing investment castings</p><p>gary</p></blockquote><p></p>
[QUOTE="Trickymissfit, post: 957859, member: 25383"] Ruger stainless steels that I've been around seem to have a higher Rockwell than say a Remington or Savage. But I've drilled and tapped holes in them using carbide taps. The newer Tin' coated cobalt stuff might work as well. Never tried using it. The 416 alloy is a crap steel on a good day. Carries a lot of retained Martensite, and that's a bad thing. Most will never know, but when you are looking a minus twenty degrees it shows it ugly head. Many will disagree with my comment, but many are also clueless in metallurgy. Steel manufacturers will tell you differently. Weatherby even issues a warning (they use 416). There's a really simple way out of this, but will add about a hundred dollars to the rifle. One could probably do a Ruger without any problems, but if it were me, I'd just do the barrel and maybe the bolt. Castings are a different ball game, but Ruger is also one of the better folks at doing investment castings gary [/QUOTE]
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Melonite barrel treatment
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