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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Ejector marks
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<blockquote data-quote="25WSM" data-source="post: 2718722" data-attributes="member: 38048"><p>Multiple things can cause what Im seeing there. Of course the main one being too much pressure but im not so sure thats the issue here. Primers are very rounded on the edges. Usually when the pressure is getting up those primers start to get flat and I see zero flat primers. Other causes of the issues I see are case lube still on cases. Headspace too short on the brass. Too light of a firing pin spring. And yes I would absolutely bush that bolt face to a .062 pin size. I would look into running cci 450s also. They have thicker cups and hold pressure better than most SR primers. And yes 3000 fps from a dasher with 105 class is pushing it. Sweet spot is near 2950. And yes as some have said every gun is different. Listen to your gun on individual basis it wont lie to you. </p><p>Shep</p></blockquote><p></p>
[QUOTE="25WSM, post: 2718722, member: 38048"] Multiple things can cause what Im seeing there. Of course the main one being too much pressure but im not so sure thats the issue here. Primers are very rounded on the edges. Usually when the pressure is getting up those primers start to get flat and I see zero flat primers. Other causes of the issues I see are case lube still on cases. Headspace too short on the brass. Too light of a firing pin spring. And yes I would absolutely bush that bolt face to a .062 pin size. I would look into running cci 450s also. They have thicker cups and hold pressure better than most SR primers. And yes 3000 fps from a dasher with 105 class is pushing it. Sweet spot is near 2950. And yes as some have said every gun is different. Listen to your gun on individual basis it wont lie to you. Shep [/QUOTE]
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