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Rifles, Reloading, Optics, Equipment
Gunsmithing
How to set up an Ackley chamber w/barrel nut?
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<blockquote data-quote="shortgrass" data-source="post: 905150" data-attributes="member: 24284"><p>A hobbiest can 'fudge' and fiddle only allowing himself .003"and hope all cleans up and headspace is correct. But, a set back of one full turn (.0625") is the sensable thing, for a working gunsmith. The head of the parent and the Ackley are the same diameter on paper, but the actual chamber and the Ackley reamer you're going to run into it may differ by a thou or two. When I do any re-chambering I want every surface of the chamber to be cut with the new reamer. No 'shadows' of the old chamber should remain. According to Ackley, himself, the Ackley chamber sould be .004" shorter than the parent chamber.</p></blockquote><p></p>
[QUOTE="shortgrass, post: 905150, member: 24284"] A hobbiest can 'fudge' and fiddle only allowing himself .003"and hope all cleans up and headspace is correct. But, a set back of one full turn (.0625") is the sensable thing, for a working gunsmith. The head of the parent and the Ackley are the same diameter on paper, but the actual chamber and the Ackley reamer you're going to run into it may differ by a thou or two. When I do any re-chambering I want every surface of the chamber to be cut with the new reamer. No 'shadows' of the old chamber should remain. According to Ackley, himself, the Ackley chamber sould be .004" shorter than the parent chamber. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Gunsmithing
How to set up an Ackley chamber w/barrel nut?
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