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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Throat errosion concerning the large case 6.5's
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<blockquote data-quote="Brent" data-source="post: 27080" data-attributes="member: 99"><p><strong>Re: Throat errosion concerning the large case 6.5\'s</strong></p><p></p><p>Thanks alot Darryl. <img src="http://images/icons/smile.gif" alt="" class="fr-fic fr-dii fr-draggable " style="" /> </p><p></p><p>I'm thinking of necking down and improving the 338 Lapua case to 6.5, using a long neck in the area of .450" - .500" long to help protect the throat.</p><p></p><p>You think an honest 3500 fps with a 140 at reasonably lower pressures might be doable with a 30" bbl? </p><p></p><p>Setting one up to work with the 155gr bullet might not be a bad idea too.</p><p></p><p>Just testing the water a bit, seeing what others think of the idea and the comparable large case designs that might lend a better understanding of what I might expect.</p><p></p><p>Ideally, 3500 with a 140 but, being able to acheive 3600 or a bit more would let a guy play around at 3400 or more at much lower pressures, possibly in the 55-60k range... this is what I'm hoping for anyway. We'll see how it's likely to fit that mold though. <img src="http://images/icons/grin.gif" alt="" class="fr-fic fr-dii fr-draggable " style="" /> Sounds good though. <img src="http://images/icons/grin.gif" alt="" class="fr-fic fr-dii fr-draggable " style="" /> </p><p></p><p>Appreciate any more input from the large case and/or 6.5 gurus. <img src="http://images/icons/smile.gif" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p></blockquote><p></p>
[QUOTE="Brent, post: 27080, member: 99"] [b]Re: Throat errosion concerning the large case 6.5\'s[/b] Thanks alot Darryl. [img]images/icons/smile.gif[/img] I'm thinking of necking down and improving the 338 Lapua case to 6.5, using a long neck in the area of .450" - .500" long to help protect the throat. You think an honest 3500 fps with a 140 at reasonably lower pressures might be doable with a 30" bbl? Setting one up to work with the 155gr bullet might not be a bad idea too. Just testing the water a bit, seeing what others think of the idea and the comparable large case designs that might lend a better understanding of what I might expect. Ideally, 3500 with a 140 but, being able to acheive 3600 or a bit more would let a guy play around at 3400 or more at much lower pressures, possibly in the 55-60k range... this is what I'm hoping for anyway. We'll see how it's likely to fit that mold though. [img]images/icons/grin.gif[/img] Sounds good though. [img]images/icons/grin.gif[/img] Appreciate any more input from the large case and/or 6.5 gurus. [img]images/icons/smile.gif[/img] [/QUOTE]
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Throat errosion concerning the large case 6.5's
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