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Rifles, Reloading, Optics, Equipment
Gunsmithing
Dialing in bore for threading and chamber?
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<blockquote data-quote="bigngreen" data-source="post: 1365041" data-attributes="member: 13632"><p>I'm running a PM 1340GT, think you'll like it, I've been very pleased with mine and the support was excellent, it's a sweet lathe for gunsmiths!!</p><p>I made a steel ring that is curved on one side to allow the barrel to gimbal along with the 4 jaw, copper wire wrapped works but if you watch it it'll move through the job and takes minor tweaking. I'm going to remake a chambering Chuck using a thick back plate and making a spider that uses small v blocks, my buddy uses this set up and it puts no stress on the barrel and allows easy dial in yet holds it extremely secure. </p><p>I have played and tested all the popular methods of dialing in and the range rods are only repeatable to a couple thousand, the direct read is the only method that is really a known and can't be influenced, when chambering longer cases I use the Grizzly rod in the throat and in testing I found it very accurate and repeatable WITH experience, though I check with a dti to assure I'm dialed.</p><p>Gunsmithing is just BASIC machining that goes bang in the end!!!</p></blockquote><p></p>
[QUOTE="bigngreen, post: 1365041, member: 13632"] I'm running a PM 1340GT, think you'll like it, I've been very pleased with mine and the support was excellent, it's a sweet lathe for gunsmiths!! I made a steel ring that is curved on one side to allow the barrel to gimbal along with the 4 jaw, copper wire wrapped works but if you watch it it'll move through the job and takes minor tweaking. I'm going to remake a chambering Chuck using a thick back plate and making a spider that uses small v blocks, my buddy uses this set up and it puts no stress on the barrel and allows easy dial in yet holds it extremely secure. I have played and tested all the popular methods of dialing in and the range rods are only repeatable to a couple thousand, the direct read is the only method that is really a known and can't be influenced, when chambering longer cases I use the Grizzly rod in the throat and in testing I found it very accurate and repeatable WITH experience, though I check with a dti to assure I'm dialed. Gunsmithing is just BASIC machining that goes bang in the end!!! [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Gunsmithing
Dialing in bore for threading and chamber?
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