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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
257 Weatherby
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<blockquote data-quote="sable tireur" data-source="post: 1664241" data-attributes="member: 27307"><p>This is not to say you shouldn't have a look inside your barrel but trying to diagnose an accuracy problem by borescope can be fraught with confusing information. Obvious things like damage to the crown or lots of missing lands near the muzzle might be indicators but...</p><p></p><p>Maybe it's obvious to you but I can suggest clearly that it is not obvious to the amateur or even advanced amateur who is told to run out and spend $800.00 on a borescope just to look inside a barrel and be completely confused by what they see. They might think they know what they're seeing but the reality is that they don't. I've taught this for years to students who have experience and expertise with barrels and barrel making only to find out that they don't fully understand what the inside of a new barrel should look like under magnification let alone one which has fired hundreds of shots.</p><p></p><p>An expert such as yourself might be able to understand 'fire cracking' and significant signs of wear but again, most will not be able to judge how many shots have been fired (most of us can't, it's fallacious to even suggest a number) through a particular barrel, even though they will state their opinion. You will not be able to see an established wear pattern although you might see chunks of lands which are missing. So, pick out the big things you see and move on or let someone with experience take a serious look inside your barrel and really tell you the truth.</p><p></p><p>This is an attempt on my part to try to save a substantial number of shooters from spending $700 - 800.00 on a tool which they might use a couple of time but not have the experience to know what they're looking at or for.</p><p></p><p>And if you think one of the newer video borescopes helps, guess again. The resolution is significantly less. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite3" alt=":(" title="Frown :(" loading="lazy" data-shortname=":(" /></p><p></p><p>Enjoy the process!<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite2" alt=";)" title="Wink ;)" loading="lazy" data-shortname=";)" /></p></blockquote><p></p>
[QUOTE="sable tireur, post: 1664241, member: 27307"] This is not to say you shouldn't have a look inside your barrel but trying to diagnose an accuracy problem by borescope can be fraught with confusing information. Obvious things like damage to the crown or lots of missing lands near the muzzle might be indicators but... Maybe it's obvious to you but I can suggest clearly that it is not obvious to the amateur or even advanced amateur who is told to run out and spend $800.00 on a borescope just to look inside a barrel and be completely confused by what they see. They might think they know what they're seeing but the reality is that they don't. I've taught this for years to students who have experience and expertise with barrels and barrel making only to find out that they don't fully understand what the inside of a new barrel should look like under magnification let alone one which has fired hundreds of shots. An expert such as yourself might be able to understand 'fire cracking' and significant signs of wear but again, most will not be able to judge how many shots have been fired (most of us can't, it's fallacious to even suggest a number) through a particular barrel, even though they will state their opinion. You will not be able to see an established wear pattern although you might see chunks of lands which are missing. So, pick out the big things you see and move on or let someone with experience take a serious look inside your barrel and really tell you the truth. This is an attempt on my part to try to save a substantial number of shooters from spending $700 - 800.00 on a tool which they might use a couple of time but not have the experience to know what they're looking at or for. And if you think one of the newer video borescopes helps, guess again. The resolution is significantly less. :( Enjoy the process!;) [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
257 Weatherby
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