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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
338 RUM Barrel options?
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<blockquote data-quote="Outlaw6.0" data-source="post: 657704" data-attributes="member: 23486"><p>I believe JE's posts are right on. For a carry rifle, 26" is all you're going to need (especially with the break). Even my 16lb ELR 338RUM is wearing a 27" bbl & my velocities with the 300's are 2780fps, not to shabby <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p><p> </p><p>The 338RUM is a great cartridge & I don't feel that I am loosing anything short of the brass to a Lapua.</p><p> </p><p>The DE break is also a fine choice, you will be happy with that. </p><p> </p><p>As to the type of rifling you are asking about (JE could probably help more), with the 338RUM you probably won't see much of an advantage either way. My experience with the 5r rifling (I do have one in 6.5) is where the engraving force of the lands cause issues with thin jacketed bullets at extreme velocities. For instance a 140grn VLD in the 3300+ area, after a few hundred rounds (especially in an overbore cartridge like mine) the rough throat combined with the more "conventional" rifling <u>can</u> lead to some bad juju with the VLD's & high velocity.</p><p> </p><p>That's my philosophy anyway.<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite11" alt=":rolleyes:" title="Roll Eyes :rolleyes:" loading="lazy" data-shortname=":rolleyes:" /></p></blockquote><p></p>
[QUOTE="Outlaw6.0, post: 657704, member: 23486"] I believe JE's posts are right on. For a carry rifle, 26" is all you're going to need (especially with the break). Even my 16lb ELR 338RUM is wearing a 27" bbl & my velocities with the 300's are 2780fps, not to shabby :) The 338RUM is a great cartridge & I don't feel that I am loosing anything short of the brass to a Lapua. The DE break is also a fine choice, you will be happy with that. As to the type of rifling you are asking about (JE could probably help more), with the 338RUM you probably won't see much of an advantage either way. My experience with the 5r rifling (I do have one in 6.5) is where the engraving force of the lands cause issues with thin jacketed bullets at extreme velocities. For instance a 140grn VLD in the 3300+ area, after a few hundred rounds (especially in an overbore cartridge like mine) the rough throat combined with the more "conventional" rifling [U]can[/U] lead to some bad juju with the VLD's & high velocity. That's my philosophy anyway.:rolleyes: [/QUOTE]
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338 RUM Barrel options?
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