Author Topic: Help with Bullet Grain Weight  (Read 356 times)

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Offline Shuttleman

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Help with Bullet Grain Weight
« on: January 16, 2006, 09:27:50 AM »
Wouldn't take post with Veral so I will try here.... I have been shooting for years but not really paying much attention to the grain of bullet I was using more just grabbing a box at the sporting goods and headed to the range or field.  I have been shooting more and more over the past several years and now buy reloaded ammo from a reputable company offering different bullet weights.  So the question I have is there some table or way to better understand the right grain for the right application?  For example: for my 1894C in 357/38, the 357 comes reloaded in 125gr and 158gr.  So is there a simple rule of thumb on this or is it much more scientific.  A guy at the gun show this weekend told me that itÂ’s based twist rate that dictates the grain based on how the bullet will stabilize (less twists indicates a heaver grain bullet and therefore with more twists a lighter grain bullet will stabilize better).  I also have the same dilemma with my 9mm 115gr or 124gr.??  99% of my shooting is at the range so I usually go with FMJ as it seems to leave less deposits in the barrel and easy cleanup.

Any help to enlighten me on this head scratching subject would be greatly appreciated.

Tom