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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Anyone own a 7mm 300 Win Mag?
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<blockquote data-quote="joeycoates" data-source="post: 905565" data-attributes="member: 72330"><p>Well, this is the caliber that I am going to use after reading the whole thread and developing a slight headache in the process... I was going to chamber in 7stw, but I think that the 7-300 has a lot to offer, it will allow me to use my existing DBM with a 3.715" magazine for a 300WM, and brass should be easier to find.</p><p></p><p>But holy cow there seem to be more variations than you can shake a stick at! I have been reloading for several years, but this will be my first go around with a wildcat cartridge. I would think that to keep it simple, and since I can find dies for a 7-300, that it would be easier just to go with the "normal" 7-300? I know that many have had good results with the improved shoulders, but to do that you would be looking at custom dies correct? </p><p></p><p>I am going to use a 28" 5c 8.5 twist barrel, either from Brux , Benchmark or maybe Pac-Nor. Probably in a light varmint or maybe a Sendero contour. I do not yet know what smith I am going to use, but if they already have a 7-300 reamer, do I need to buy one from PTG, or is that normally done just so you can have your own specific reamer for an improved version of the 7-300? I would assume if they have a reamer that they can set the throat up to shoot the 180gr Bergers or the 195's if they ever come out? </p><p></p><p>I guess if I go with Benchmark or Pac-Nor then it looks as if they already have the reamers so maybe I can just have them do all of the gunsmithing to simplify things. This is really a whole different ball game for me so I have so many questions, and I would much rather do it once and do it right.</p><p></p><p>I have read where some people are stepping down the neck diameters when re-sizing, and it seems that others just run it through the 7-300 dies to get it right. I already have a neck reamer so I can do that, and I have annealed several of my existing cases with a simple drill and torch setup so that is taken care of, but I have never used a bushing die setup. I understand how it works, just never used one. I guess that I could buy a bushing die and do it like Broz has done, stepping down bushings to get the neck diameter to where it needs to be, I just do not know if this is necissary.</p><p></p><p>Thanks for whatever guidance you guys can offer. I guess it will be done one step at a time and then it will get there!</p></blockquote><p></p>
[QUOTE="joeycoates, post: 905565, member: 72330"] Well, this is the caliber that I am going to use after reading the whole thread and developing a slight headache in the process... I was going to chamber in 7stw, but I think that the 7-300 has a lot to offer, it will allow me to use my existing DBM with a 3.715" magazine for a 300WM, and brass should be easier to find. But holy cow there seem to be more variations than you can shake a stick at! I have been reloading for several years, but this will be my first go around with a wildcat cartridge. I would think that to keep it simple, and since I can find dies for a 7-300, that it would be easier just to go with the "normal" 7-300? I know that many have had good results with the improved shoulders, but to do that you would be looking at custom dies correct? I am going to use a 28" 5c 8.5 twist barrel, either from Brux , Benchmark or maybe Pac-Nor. Probably in a light varmint or maybe a Sendero contour. I do not yet know what smith I am going to use, but if they already have a 7-300 reamer, do I need to buy one from PTG, or is that normally done just so you can have your own specific reamer for an improved version of the 7-300? I would assume if they have a reamer that they can set the throat up to shoot the 180gr Bergers or the 195's if they ever come out? I guess if I go with Benchmark or Pac-Nor then it looks as if they already have the reamers so maybe I can just have them do all of the gunsmithing to simplify things. This is really a whole different ball game for me so I have so many questions, and I would much rather do it once and do it right. I have read where some people are stepping down the neck diameters when re-sizing, and it seems that others just run it through the 7-300 dies to get it right. I already have a neck reamer so I can do that, and I have annealed several of my existing cases with a simple drill and torch setup so that is taken care of, but I have never used a bushing die setup. I understand how it works, just never used one. I guess that I could buy a bushing die and do it like Broz has done, stepping down bushings to get the neck diameter to where it needs to be, I just do not know if this is necissary. Thanks for whatever guidance you guys can offer. I guess it will be done one step at a time and then it will get there! [/QUOTE]
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Anyone own a 7mm 300 Win Mag?
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