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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
number of grooves
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<blockquote data-quote="uncleB" data-source="post: 185096" data-attributes="member: 4679"><p>After having several I can say without hesitation that there is no advantage EVER to a 3 groove barrel, they might be OK with a solid but they are rough with a jacketed bullet. A 4,5 or 6 groove is a better choice 10 times out of 10.</p><p> The philosophy behind the 3 groove is that throat erosion is retarded because the lands (riflings) are wider than on a 4,5,or6 groove barrels. but firecracking of the throat begins before erosion, so with a 3 groove barrel your accuracy will go away faster because there are wider rougher surfaces in your bore than with a 4,5, or 6 groove.</p><p>UB</p></blockquote><p></p>
[QUOTE="uncleB, post: 185096, member: 4679"] After having several I can say without hesitation that there is no advantage EVER to a 3 groove barrel, they might be OK with a solid but they are rough with a jacketed bullet. A 4,5 or 6 groove is a better choice 10 times out of 10. The philosophy behind the 3 groove is that throat erosion is retarded because the lands (riflings) are wider than on a 4,5,or6 groove barrels. but firecracking of the throat begins before erosion, so with a 3 groove barrel your accuracy will go away faster because there are wider rougher surfaces in your bore than with a 4,5, or 6 groove. UB [/QUOTE]
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number of grooves
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