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Old 08-28-2010, 02:44 AM
NE450No2 NE450No2 is offline
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It is not weight, but length that determines stability.

In a 1 in 12" twist 223, you should be able to stabilze the 70gr Speer semi spitzer, but probably not the 62gr Speer FMJ boat Tail.

I would think any 70gr and under semi spz flat base bullet or shorter should stabilize.

With boat tail bullets I would think 55 gr is about max.
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