Firearms Stack Exchange Archive

What bullet would give you more accuracy, 40 or 45?

• posted by: Lance Roberts on 2011-11-01
• tagged: ammunition, accuracy, .45acp, .40sw
• score: 0

Would a .40 caliber bullet be more accurate in general than a .45 caliber bullet in a pistol? (Assuming the same gun type).

Answer 9

• posted by: Robert Matthews on 2011-11-01
• score: 2

Generally it’s easier to make a larger bullet more accurate…

The rotational acceleration of a larger diameter bullet makes it easier to stabilize, hence more accuracy.

Having said that, there is more than just bullet diameter that affects accuracy.

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