Originally Posted by SouthernBoyVA
For my G27, when I carry it, I prefer a 155gr load because of the shorter barrel. Inertia dictates that a lighter bullet will accelerate more quickly in a shorter barrel than will a heavier bullet which relies on more barrel length to develop its velocity.
Well the counter argument is that in shorter barrels faster loads lose more velocity as a percentage. Personally I still prefer mid-weights, regardless of barrel length.