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Rifles, Reloading, Optics, Equipment
Gunsmithing
Meloniting/Nitriding help
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<blockquote data-quote="shortgrass" data-source="post: 1048731" data-attributes="member: 24284"><p>I'd account those barrels that went 'south' to; #1 there was some fire cracking in the barrel before it was treated #2 the barrel wasn't 'squeaky clean' before it was treated, there was jacket material left inside #3 all the residue from treating wasn't removed before firing it. Those three reasons are why I recommend <strong>bore scoping</strong> I've recrowned a couple with a c6 carbide insert on a 1/2" carbide boring bar without trouble. On one, I didn't get the recess deep enough for the Rem. bolt nose, and again, it cut easily with the c6 insert in the carbide boring bar. It'd take a carbide reamer to do any rechambering or headspacing. The 'hard' layer is only .0005 to .001" thick, so after you're through that, it'll cut with HS tooling. Trouble is, finding a place where you could remove the 'hard' layer and then actually use HS!</p></blockquote><p></p>
[QUOTE="shortgrass, post: 1048731, member: 24284"] I'd account those barrels that went 'south' to; #1 there was some fire cracking in the barrel before it was treated #2 the barrel wasn't 'squeaky clean' before it was treated, there was jacket material left inside #3 all the residue from treating wasn't removed before firing it. Those three reasons are why I recommend [B]bore scoping[/B] I've recrowned a couple with a c6 carbide insert on a 1/2" carbide boring bar without trouble. On one, I didn't get the recess deep enough for the Rem. bolt nose, and again, it cut easily with the c6 insert in the carbide boring bar. It'd take a carbide reamer to do any rechambering or headspacing. The 'hard' layer is only .0005 to .001" thick, so after you're through that, it'll cut with HS tooling. Trouble is, finding a place where you could remove the 'hard' layer and then actually use HS! [/QUOTE]
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Meloniting/Nitriding help
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