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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
number of grooves
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<blockquote data-quote="davewilson" data-source="post: 185497" data-attributes="member: 4491"><p>another advantage the 3 groove was supposed to have would be there was less cross section of the bullet that had to engrave into the rifling. yes the lands are wider but still, the total amount was not as much as conventional 6-8 grooves. this would allow for a little less start up pressure to engrave the bullet into the rifling. of course this equates to potentially faster speeds.</p><p></p><p>any of the "odd" number of grooves was supposed to put less or more even stresses on the bullet because the bullet wasn't being stressed directly across but rather a land would be across from a groove. i'm pretty sure this has never been proven to be an advantage, but it's an interesting theory.</p><p></p><p>i think 3 groove barrels have been out long enough for the theories to be proven one way or another and the disadvantages seem to far outweigh the advantages. as UB said and i think most would agree,there's just no reason to get a 3 groove barrel. on the other hand, a 5 groove, especially with canted lands. you're in hog heaven with that puppy!</p></blockquote><p></p>
[QUOTE="davewilson, post: 185497, member: 4491"] another advantage the 3 groove was supposed to have would be there was less cross section of the bullet that had to engrave into the rifling. yes the lands are wider but still, the total amount was not as much as conventional 6-8 grooves. this would allow for a little less start up pressure to engrave the bullet into the rifling. of course this equates to potentially faster speeds. any of the "odd" number of grooves was supposed to put less or more even stresses on the bullet because the bullet wasn't being stressed directly across but rather a land would be across from a groove. i'm pretty sure this has never been proven to be an advantage, but it's an interesting theory. i think 3 groove barrels have been out long enough for the theories to be proven one way or another and the disadvantages seem to far outweigh the advantages. as UB said and i think most would agree,there's just no reason to get a 3 groove barrel. on the other hand, a 5 groove, especially with canted lands. you're in hog heaven with that puppy! [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
number of grooves
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