DIY barrel rifling.
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SoupOrMan
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Re: DIY barrel rifling.
What's the easiest barrel steel to machine if you have a drill press and shop press, then? 4140? As for adding corrosion or wear resistance via the now in-vogue nitriding process, I'm pretty sure my basement isn't set up for that.
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“PET PARENTS?” You’re not a “pet parent.” You’re a pet owner. Unless you’ve committed an unnatural act that succeeded in spite of biology. - Glenn Reynolds
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toad
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Re: DIY barrel rifling.
Could you do something like they do bushmaster barrels EDM the rifling ?
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toad
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Re: DIY barrel rifling.
Could you EDM the rifling after gun drilling the barrel blank, then heat treating it ala bushmaster ?
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HTRN
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Re: DIY barrel rifling.
EDM is limited by electrode length a sub 1/4" diameter by 2 foot long electrode, even if made from copper tungsten, is going to have too much flex for horizontal applications, and an edm with enough z axis stroke to do it vertically is going to be $$$$$.
This is why you only really see edm barrels in pistols.
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Combat Controller
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Re: DIY barrel rifling.
A good and useful answer, thanks HTRN.HTRN wrote: ↑Fri Feb 19, 2021 11:31 amEDM is limited by electrode length a sub 1/4" diameter by 2 foot long electrode, even if made from copper tungsten, is going to have too much flex for horizontal applications, and an edm with enough z axis stroke to do it vertically is going to be $$$$$.
This is why you only really see edm barrels in pistols.
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toad
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Re: DIY barrel rifling.
I whish a " gun drill " set up wasn't so expensive . I remember using them for drilling stems for valves.