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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Headspace conundrum
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<blockquote data-quote="quigley257" data-source="post: 2818388" data-attributes="member: 84442"><p>I love the Peterson long 300 WM brass. Even though we run match grade minimum size chamber reamers in our shop, most brass is WAY too short as it comes from the factory. The Peterson long brass prevents the initial .010 to .015 stretch that happens on the first firing of most factory brass. As far as headspace on a belted magnum, yes, they headspace solely off the belt. You need to have faith(or don't) that your reamer manufacturer made everything forward of the belt to a minimum spec or you can end up with a ton of case stretch on the first firing.</p></blockquote><p></p>
[QUOTE="quigley257, post: 2818388, member: 84442"] I love the Peterson long 300 WM brass. Even though we run match grade minimum size chamber reamers in our shop, most brass is WAY too short as it comes from the factory. The Peterson long brass prevents the initial .010 to .015 stretch that happens on the first firing of most factory brass. As far as headspace on a belted magnum, yes, they headspace solely off the belt. You need to have faith(or don't) that your reamer manufacturer made everything forward of the belt to a minimum spec or you can end up with a ton of case stretch on the first firing. [/QUOTE]
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Headspace conundrum
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