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The Range
Rifle & Shotgun Discussion
MArlin 336 question
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<blockquote data-quote="Chas" data-source="post: 859282" data-attributes="member: 3468"><p>Marlin Micro Groove rifling works great with jacketed bullets, but not cast, I had lead fouling and accuracy problems after 2 or 3 shots.</p><p></p><p>My Marlins with Ballard cut rifling (not 30-30) shoot jacketed and cast equally well with no fouling or accuracy problems.</p><p></p><p>Unless you are wanting to reload cast bullets I wouldn't worry about it, but to answer your question Micro Groove rifling is alot of very fine grooves cut in the barrel with no defined lands and Ballard cut rifling is very defined lands and deep grooves cut on the inside of the barrel.</p></blockquote><p></p>
[QUOTE="Chas, post: 859282, member: 3468"] Marlin Micro Groove rifling works great with jacketed bullets, but not cast, I had lead fouling and accuracy problems after 2 or 3 shots. My Marlins with Ballard cut rifling (not 30-30) shoot jacketed and cast equally well with no fouling or accuracy problems. Unless you are wanting to reload cast bullets I wouldn't worry about it, but to answer your question Micro Groove rifling is alot of very fine grooves cut in the barrel with no defined lands and Ballard cut rifling is very defined lands and deep grooves cut on the inside of the barrel. [/QUOTE]
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