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Long Range Hunting & Shooting
338 Allen Xpress, RL33 load development
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<blockquote data-quote="MontanaRifleman" data-source="post: 847433" data-attributes="member: 11717"><p>Yeah, you can only stretch a bullet so far. You can get more structural integrity with the mono's but you loose SD and BC with them and need tighter twist rates. I've followed most all the bullet threads in here for a few years now and the new experimental super long bullets are always having issues, cup and core or mono. You can generally stretch a mono a little longer than a jacked bullet but you need a really tight twist</p><p></p><p>CE just sent me some 6mm variations for testing in my 7 twist 6-284 which I received yesterday. They are all 100 gr in 3 different lengths. The longest is .060 longer than the 105 Hybrid. It should be very interesting to test them head to head. I'm guessing I'll get more than 100 FPS increase in velocity over the 105 with a similar BC. Not sure they will stabilize in the 7 twist?</p><p></p><p>I did notice you didn't show a 300 AM. That 408 CT case seems so huge for a 30 cal. You would need a good heavy bullet for that. Maybe Berger will get a 260 Hybrid going here before too long.... like maybe in the next 5 years <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big Grin :D" loading="lazy" data-shortname=":D" /></p><p></p><p>Heck, you'll still be a young man gun)</p></blockquote><p></p>
[QUOTE="MontanaRifleman, post: 847433, member: 11717"] Yeah, you can only stretch a bullet so far. You can get more structural integrity with the mono's but you loose SD and BC with them and need tighter twist rates. I've followed most all the bullet threads in here for a few years now and the new experimental super long bullets are always having issues, cup and core or mono. You can generally stretch a mono a little longer than a jacked bullet but you need a really tight twist CE just sent me some 6mm variations for testing in my 7 twist 6-284 which I received yesterday. They are all 100 gr in 3 different lengths. The longest is .060 longer than the 105 Hybrid. It should be very interesting to test them head to head. I'm guessing I'll get more than 100 FPS increase in velocity over the 105 with a similar BC. Not sure they will stabilize in the 7 twist? I did notice you didn't show a 300 AM. That 408 CT case seems so huge for a 30 cal. You would need a good heavy bullet for that. Maybe Berger will get a 260 Hybrid going here before too long.... like maybe in the next 5 years :D Heck, you'll still be a young man gun) [/QUOTE]
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338 Allen Xpress, RL33 load development
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