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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
7mm Practical
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<blockquote data-quote="Long Time Long Ranger" data-source="post: 524074" data-attributes="member: 505"><p>I have tested 7mm's quite a bit since the 70's and the 7mm STW is about where the line is drawn for performance vs. any kind of barrel life. Back in late 98 when I first started necking the soon to be released 300 RUM case I did two 7mm's that gave great performance but barrel life was short. I went back and settled on the STW as the top 7mm. I have six of those now and it is a fun cartridge to shoot. Any more in a 7mm and barrel life starts to suffer pretty bad. Some of the new cases mentioned on here like the Ruger I have not worked with since they came along after I retired and quit building rifles.</p><p> </p><p>The 7mm-300 winchester has been done since the 300 winchester first came out. It never gained much popularity because it splits a small gap in performance between the 7mm remington/7mm Weatherby and the 7mm-300 wby and 7mm stw. If a guy wants a repeater with the long heavy bullets he does the remington or the weatherby. If he wants top performance he does the stw or necked 300 wby. The 7mm-300 winchester gives you the worst of both worlds. Less room to seat long bullets out with very little velocity gain over the remington or 7mm wby. It does not have the velocity/power of the STW or 7mm-300 wby. So it sits between there not allowing long bullets seated out and not getting the top velocity. That is why it never took off.</p></blockquote><p></p>
[QUOTE="Long Time Long Ranger, post: 524074, member: 505"] I have tested 7mm's quite a bit since the 70's and the 7mm STW is about where the line is drawn for performance vs. any kind of barrel life. Back in late 98 when I first started necking the soon to be released 300 RUM case I did two 7mm's that gave great performance but barrel life was short. I went back and settled on the STW as the top 7mm. I have six of those now and it is a fun cartridge to shoot. Any more in a 7mm and barrel life starts to suffer pretty bad. Some of the new cases mentioned on here like the Ruger I have not worked with since they came along after I retired and quit building rifles. The 7mm-300 winchester has been done since the 300 winchester first came out. It never gained much popularity because it splits a small gap in performance between the 7mm remington/7mm Weatherby and the 7mm-300 wby and 7mm stw. If a guy wants a repeater with the long heavy bullets he does the remington or the weatherby. If he wants top performance he does the stw or necked 300 wby. The 7mm-300 winchester gives you the worst of both worlds. Less room to seat long bullets out with very little velocity gain over the remington or 7mm wby. It does not have the velocity/power of the STW or 7mm-300 wby. So it sits between there not allowing long bullets seated out and not getting the top velocity. That is why it never took off. [/QUOTE]
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