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Rifles, Reloading, Optics, Equipment
Reloading
Shoulder bumping technique
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<blockquote data-quote="jimirwin" data-source="post: 1859239" data-attributes="member: 51801"><p>I have some possibly heretical thoughts on these matters.</p><p>1. Why are you FL sizing fired brass? It will never fit your chamber better than after it is fired with a normal load. New brass comes typically at or about SAAMI spec dimensions, so should feed into any normal SAAMI spec chamber. This means it will be undersize for your chamber, unless distorted thru handling damage.</p><p>2. In my specialized accuracy and precision quests, I've found that using as fired brass is best, followed by neck sizing only. Then sizing only about 2/3 of the neck length.</p><p>3. I hypothesize that a best condition for accuracy and precision is to have all sizing take place upon loading the round. All snug and stationary for the shot. We are talking best case for long range shooting, yes? Not for tactical or rapid fire run & gun.</p><p>4. So a bit of force required at receiver lock-up seems :best: eh?</p><p></p><p>Jim Irwin</p></blockquote><p></p>
[QUOTE="jimirwin, post: 1859239, member: 51801"] I have some possibly heretical thoughts on these matters. 1. Why are you FL sizing fired brass? It will never fit your chamber better than after it is fired with a normal load. New brass comes typically at or about SAAMI spec dimensions, so should feed into any normal SAAMI spec chamber. This means it will be undersize for your chamber, unless distorted thru handling damage. 2. In my specialized accuracy and precision quests, I've found that using as fired brass is best, followed by neck sizing only. Then sizing only about 2/3 of the neck length. 3. I hypothesize that a best condition for accuracy and precision is to have all sizing take place upon loading the round. All snug and stationary for the shot. We are talking best case for long range shooting, yes? Not for tactical or rapid fire run & gun. 4. So a bit of force required at receiver lock-up seems :best: eh? Jim Irwin [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Shoulder bumping technique
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