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Rifles, Reloading, Optics, Equipment
Reloading
.257 STW question - crimping
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<blockquote data-quote="Rum River" data-source="post: 279075" data-attributes="member: 16869"><p>Question:</p><p>How often are you other loaders having to crimp a high-pressure caliber such as this?</p><p> </p><p>Background:</p><p>I am load developing for a friend's Rem. 700 with a 26" stainless sporter-contour barrel. It began life as Remington Custom Shop item in .257 Wby. When my buddy (a huge STW fan) heard there was one in .257, he immediately had the rifle rechambered without even having fired a shot.</p><p> </p><p>He wants to use 115gr Trophy Bonded Bear Claws. As they're a bit spendy, I'm starting with 115gr Nosler Ballistic Tips. Beginning with virgin Winchester 7mm STW brass, Fed. 215 primers and Retumbo powder I shot a series from 75grs. charge to 82grs. The 82.0 charge chrono'd 3627fps average for 5 rounds, and is as high as I wish to go.</p><p> </p><p>I am now establishing the COL for the Trophy Bonded Bear Claws, and the neck tension is so low I'm going to have to crimp. Anybody run into this before?</p><p> </p><p> </p><p> </p><p>Rum River</p></blockquote><p></p>
[QUOTE="Rum River, post: 279075, member: 16869"] Question: How often are you other loaders having to crimp a high-pressure caliber such as this? Background: I am load developing for a friend's Rem. 700 with a 26" stainless sporter-contour barrel. It began life as Remington Custom Shop item in .257 Wby. When my buddy (a huge STW fan) heard there was one in .257, he immediately had the rifle rechambered without even having fired a shot. He wants to use 115gr Trophy Bonded Bear Claws. As they're a bit spendy, I'm starting with 115gr Nosler Ballistic Tips. Beginning with virgin Winchester 7mm STW brass, Fed. 215 primers and Retumbo powder I shot a series from 75grs. charge to 82grs. The 82.0 charge chrono'd 3627fps average for 5 rounds, and is as high as I wish to go. I am now establishing the COL for the Trophy Bonded Bear Claws, and the neck tension is so low I'm going to have to crimp. Anybody run into this before? Rum River [/QUOTE]
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.257 STW question - crimping
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