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Rifles, Reloading, Optics, Equipment
Gunsmithing
Recoil lug jig/fixture
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<blockquote data-quote="shortgrass" data-source="post: 1083681" data-attributes="member: 24284"><p>I see actions from everywhere, HG. And they can and are 'all over the map' when it comes to "how much metal was removed". I don't have the luxury of following through with my own work all the time. Customers seem to carry in an arm load of parts to be "put together" these days, and those parts come from everywhere. The coaxial indicator,,,,,,known as a centering indicator in every machine shop I've been in over the past 40+ yrs. ,,,,,, machine shop slang, like a parting tool is known as 'a cut-off blade' to those on the shop floor. I do have the luxury of having the machine tools to make/fix what I might need. You can't see it in the pics I posted, but that lug has been surface ground on both sides before adjusting the 'hole' size. I've got two coffee cans of factory Rem. barrel brackets (recoil lugs) left behind by those who thought they needed a thicker, custom lug. With a trip to the surface grinder those factory lugs become just as flat as those sold as 'custom'. There's really no need for the lug to be thicker, but it makes a good selling point for those who make and market those "custom lugs". I used to enlarge the hole by holding it in a 4 jaw chuck, like you do, until I thouht it through. By grinding it first and fastening it to a flat jig that gets placed in the milling vise in the same fashion as it was made, I 'm insuring the hole to be 90* to the flat sides (at least within minutes of 90*). No possible 'bind' when installed, that way. I made that jig more than 10 yrs ago and it was worth the time to make it.</p></blockquote><p></p>
[QUOTE="shortgrass, post: 1083681, member: 24284"] I see actions from everywhere, HG. And they can and are 'all over the map' when it comes to "how much metal was removed". I don't have the luxury of following through with my own work all the time. Customers seem to carry in an arm load of parts to be "put together" these days, and those parts come from everywhere. The coaxial indicator,,,,,,known as a centering indicator in every machine shop I've been in over the past 40+ yrs. ,,,,,, machine shop slang, like a parting tool is known as 'a cut-off blade' to those on the shop floor. I do have the luxury of having the machine tools to make/fix what I might need. You can't see it in the pics I posted, but that lug has been surface ground on both sides before adjusting the 'hole' size. I've got two coffee cans of factory Rem. barrel brackets (recoil lugs) left behind by those who thought they needed a thicker, custom lug. With a trip to the surface grinder those factory lugs become just as flat as those sold as 'custom'. There's really no need for the lug to be thicker, but it makes a good selling point for those who make and market those "custom lugs". I used to enlarge the hole by holding it in a 4 jaw chuck, like you do, until I thouht it through. By grinding it first and fastening it to a flat jig that gets placed in the milling vise in the same fashion as it was made, I 'm insuring the hole to be 90* to the flat sides (at least within minutes of 90*). No possible 'bind' when installed, that way. I made that jig more than 10 yrs ago and it was worth the time to make it. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Recoil lug jig/fixture
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