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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
7mm-300 Win Mag
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<blockquote data-quote="Broz" data-source="post: 613746" data-attributes="member: 7503"><p>I have done 3 so far and love them. We have well passed the throat life of some of the larger 7mm's like the RUM and STW. I prefer leaving the 25 degree shoulder. This makes the choice of dies easy. I use Redding comp bushing dies for a 300 win and simply step down necks by reducing bushing size until I am at the needed bushing for 7mm. I also feel there is some inherent accuracy from the 300 win case as we are seeing excellent accuracy from all 3 rifles. So I would leave the taper alone and keep it simple and also for easy extraction. We have done 9 twists and throated for 180 Bergers. The velocity is plenty good from a 28" tube with H-1000 for propellent easily in the 3150 to 3175 area @ 4000 ft. </p><p> </p><p>Hope this helps to answer your origional posted questions.</p><p> </p><p>Jeff</p></blockquote><p></p>
[QUOTE="Broz, post: 613746, member: 7503"] I have done 3 so far and love them. We have well passed the throat life of some of the larger 7mm's like the RUM and STW. I prefer leaving the 25 degree shoulder. This makes the choice of dies easy. I use Redding comp bushing dies for a 300 win and simply step down necks by reducing bushing size until I am at the needed bushing for 7mm. I also feel there is some inherent accuracy from the 300 win case as we are seeing excellent accuracy from all 3 rifles. So I would leave the taper alone and keep it simple and also for easy extraction. We have done 9 twists and throated for 180 Bergers. The velocity is plenty good from a 28" tube with H-1000 for propellent easily in the 3150 to 3175 area @ 4000 ft. Hope this helps to answer your origional posted questions. Jeff [/QUOTE]
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7mm-300 Win Mag
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