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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
280 SHERMAN MAX vs .280 A.I.
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<blockquote data-quote="elkaholic" data-source="post: 515880" data-attributes="member: 13833"><p>There have been a few questions on a couple of other threads concerning case capacities of these cartridges so I did a very accurate test today. I took a new .280 A.I. Nosler case and put in an old primer and then weighed the case. I then filled it to the brim with H20 and re-weighed and subracted the difference. The capacity in H20 was 73.4 grains. I then fireformed the same case in my .300 Sherman chamber and necked it back down to .280 and repeated the H20 process. The capacity was exactly 76 grains. This gives a 3.6 grain increase over the A.I. for a gain of 4.7%...........Rich</p></blockquote><p></p>
[QUOTE="elkaholic, post: 515880, member: 13833"] There have been a few questions on a couple of other threads concerning case capacities of these cartridges so I did a very accurate test today. I took a new .280 A.I. Nosler case and put in an old primer and then weighed the case. I then filled it to the brim with H20 and re-weighed and subracted the difference. The capacity in H20 was 73.4 grains. I then fireformed the same case in my .300 Sherman chamber and necked it back down to .280 and repeated the H20 process. The capacity was exactly 76 grains. This gives a 3.6 grain increase over the A.I. for a gain of 4.7%...........Rich [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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280 SHERMAN MAX vs .280 A.I.
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