i like a flat housing for me,,,an arched one tend to make me shoot high
if you like the arched one in your ace,,,, then you will probably like one on your kimber
all about choices,,,,, YMMV
December 17, 2007, 02:11 PM
I prefer a flat mainspring housing- I think it fits my hands better.
December 17, 2007, 02:18 PM
AFAIK, one of the main reasons the mainspring housing was arched in the A1was the US Military wanted a higher point of aim when point shooting (or somesuch). In my tending to agree with most pre 1957 US weapons choices, it seems thats why mine have arched as well
December 17, 2007, 03:40 PM
The first thing I change on a new 1911A1 is to swap the flat mainspring housing for and arched one. It fits my hand better that way.
December 18, 2007, 09:54 AM
Arched versus flat MSH is a personal choice. Use what ever works best for you.
The arched MSH was developed and added to the 1911a1 by the military to make the point of aim higher.
Personally, I prefer the flat housing, but shoot equally well or bad with either.
December 18, 2007, 12:11 PM
It does not matter. Flat 'feels' better...arched 'works' better for me.
December 18, 2007, 03:57 PM
AFAIK, the flat MSH came with the long trigger, and the arched came with the short trigger, from the factory. Nowadays, they're all mixed and matched. It's very comfortable for me to go arched/short trigger
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