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Rifles, Reloading, Optics, Equipment
Gunsmithing
Reamer Question 22-250 AI & 6.5 x 22-250 AI
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<blockquote data-quote="orwapitihunter" data-source="post: 622623" data-attributes="member: 1939"><p>300mm,</p><p>There are three basic types of chamber reamer...</p><p>There is a roughing reamer which is undersized and some smiths use them to remove the majority of the metal before they cut the final chamber. They aren't a necessity and mostly just save wear and tear on the finish reamer.</p><p>The second type is a resizing reamer. It is made undersized to cut the needed dimensions to make a resizing die.</p><p>The third type is a finish reamer. The finish reamer is is named such because it is used to cut a finished chamber. A finish reamer can be ordered to custom throat dimensions as well as custom neck diameter.</p><p></p><p>Now let's say you ordered a finish reamer for either the 22-250 AI or the 22x47 Lapua. You could specify the throat and neck dimensions and use it to cut your perfect chamber in your 22 cal blank.</p><p>Now you use the reamer in your 6.5mm blank but you will not have the neck or throat cut to final dimension. So you need either a reamer that will cut the neck and a reamer that will cut the throat or a reamer that will cut both at the same time.</p><p>A PT&G floating pilot finish reamer will run you about $138, a solid pilot (which I don't use) is about $95. The throater/neck reamers are a bit cheaper but they are still in the $100 range. And if I was doing the job I would charge you a bit more on the 6.5mm chamber to cover the extra time.</p><p>As far as reloading dies, you could have the seater dies made with what you had the chambers cut. But your full length resizer would need a sizing reamer, so another $138. The cheapest way would probably go with ready made dies with changeable neck bushings. Then in theory you could use one set of dies for both rifles. </p><p>So back to my original post. I recommend separate finish reamers, for chambers that you can buy ready made dies for. At least if saving money is a priority.</p><p>One final thought. Talk to your gunsmith. Get him involved. If you come up with a plan that he isn't comfortable with it may all be moot.</p></blockquote><p></p>
[QUOTE="orwapitihunter, post: 622623, member: 1939"] 300mm, There are three basic types of chamber reamer... There is a roughing reamer which is undersized and some smiths use them to remove the majority of the metal before they cut the final chamber. They aren't a necessity and mostly just save wear and tear on the finish reamer. The second type is a resizing reamer. It is made undersized to cut the needed dimensions to make a resizing die. The third type is a finish reamer. The finish reamer is is named such because it is used to cut a finished chamber. A finish reamer can be ordered to custom throat dimensions as well as custom neck diameter. Now let's say you ordered a finish reamer for either the 22-250 AI or the 22x47 Lapua. You could specify the throat and neck dimensions and use it to cut your perfect chamber in your 22 cal blank. Now you use the reamer in your 6.5mm blank but you will not have the neck or throat cut to final dimension. So you need either a reamer that will cut the neck and a reamer that will cut the throat or a reamer that will cut both at the same time. A PT&G floating pilot finish reamer will run you about $138, a solid pilot (which I don't use) is about $95. The throater/neck reamers are a bit cheaper but they are still in the $100 range. And if I was doing the job I would charge you a bit more on the 6.5mm chamber to cover the extra time. As far as reloading dies, you could have the seater dies made with what you had the chambers cut. But your full length resizer would need a sizing reamer, so another $138. The cheapest way would probably go with ready made dies with changeable neck bushings. Then in theory you could use one set of dies for both rifles. So back to my original post. I recommend separate finish reamers, for chambers that you can buy ready made dies for. At least if saving money is a priority. One final thought. Talk to your gunsmith. Get him involved. If you come up with a plan that he isn't comfortable with it may all be moot. [/QUOTE]
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Reamer Question 22-250 AI & 6.5 x 22-250 AI
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