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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Need an education- Chamber and throat
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<blockquote data-quote="Mike6158" data-source="post: 339358" data-attributes="member: 1039"><p>Sorry for taking so long to get back to this... been a long week(s)...</p><p></p><p>Bear with me a little... I'm just trying to learn about chambers / bullets / etc </p><p></p><p>If I am having to seat extra long to get to the lands wouldn't that mean that the throat is long? </p><p></p><p>Bear in mind that the rifle I'm talking about is shooting 3/8 moa groups at 300 yards. This isn't a thread about what am I going to do to "fix it" or even if I want to "fix it". It's more of a theoretical look at what I could do if I wanted to. And a chance to gripe about factory rifle chambers <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big Grin :D" loading="lazy" data-shortname=":D" /> </p><p></p><p>Back on topic- </p><p></p><p>Do bullets vary that much? It looks like they do. I've been reading Bryan Litz's book and looking at the bullet tables. Specifically the ogive radius values for the same weight but different brand bullets and the difference surprised me. I can see why it might be hard to ream a chamber to fit everything well. </p><p></p><p>Lets say that I decided to stick with 2 manufacturers (Berger and Sierra for instance) and keep the weight between 150 gr and 168 gr. Would it make sense to go to the trouble to have a reamer made and have a gunsmith ream the chamber and set the barrel back to give me a little shorter bullet? I'm thinking the answer is no, not really. Not for this gun anyway.</p><p></p><p>I would probably have better luck by having a barrel fitted to the action and tossing the triangle in the corner. On the other hand it shoots pretty good so why fix what isn't really broken?</p><p></p><p>I've already put more into it for the stock and optics than the gun cost so until I wear it out I'm probably better off being happy with tight groups and long bullets unless someone has a better idea.</p><p></p><p>Sorry for typing out loud... and rambling...</p></blockquote><p></p>
[QUOTE="Mike6158, post: 339358, member: 1039"] Sorry for taking so long to get back to this... been a long week(s)... Bear with me a little... I'm just trying to learn about chambers / bullets / etc If I am having to seat extra long to get to the lands wouldn't that mean that the throat is long? Bear in mind that the rifle I'm talking about is shooting 3/8 moa groups at 300 yards. This isn't a thread about what am I going to do to "fix it" or even if I want to "fix it". It's more of a theoretical look at what I could do if I wanted to. And a chance to gripe about factory rifle chambers :D Back on topic- Do bullets vary that much? It looks like they do. I've been reading Bryan Litz's book and looking at the bullet tables. Specifically the ogive radius values for the same weight but different brand bullets and the difference surprised me. I can see why it might be hard to ream a chamber to fit everything well. Lets say that I decided to stick with 2 manufacturers (Berger and Sierra for instance) and keep the weight between 150 gr and 168 gr. Would it make sense to go to the trouble to have a reamer made and have a gunsmith ream the chamber and set the barrel back to give me a little shorter bullet? I'm thinking the answer is no, not really. Not for this gun anyway. I would probably have better luck by having a barrel fitted to the action and tossing the triangle in the corner. On the other hand it shoots pretty good so why fix what isn't really broken? I've already put more into it for the stock and optics than the gun cost so until I wear it out I'm probably better off being happy with tight groups and long bullets unless someone has a better idea. Sorry for typing out loud... and rambling... [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Need an education- Chamber and throat
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