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Rifles, Reloading, Optics, Equipment
Reloading
Primers-fps
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<blockquote data-quote="Rich Coyle" data-source="post: 1220419" data-attributes="member: 70559"><p>Mikecr,</p><p></p><p>Are you talking about an adjustable firing pin spring?</p><p></p><p>I had an experience with a Freedom Arms .454 that "liked" CCI450 Magnums. But the cups were too hard for the factory spring to detonate them every time. I loaded a box of fifty and chronographed five five shot groups before I sent it back to Freedom Arms. When it came back it gained 100 feet per second with the first cylendar of five. I had to take the cylendar out and tap the fired cases out of the cylendar. The groups remained 2" at 100 yards as they were before.</p></blockquote><p></p>
[QUOTE="Rich Coyle, post: 1220419, member: 70559"] Mikecr, Are you talking about an adjustable firing pin spring? I had an experience with a Freedom Arms .454 that "liked" CCI450 Magnums. But the cups were too hard for the factory spring to detonate them every time. I loaded a box of fifty and chronographed five five shot groups before I sent it back to Freedom Arms. When it came back it gained 100 feet per second with the first cylendar of five. I had to take the cylendar out and tap the fired cases out of the cylendar. The groups remained 2" at 100 yards as they were before. [/QUOTE]
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