Since I started shooting approximately 10 years ago, I have not seen a good way to select a pistol based on ones physical hand size.
As far as I am aware, there is no industry standard numeric values for "small", "medium" or "large" handguns. Pistol manufacturers attempt to offer features to adjust to different hand sizes, such as grip panels, backstraps, or grip modules.
The methodology I plan to apply is first to gather anonymous information on hand sizes (Part 1). In Part 2, I will ask for input on handgun sizing, using a consistent method of measurement. Finally, in Part 3, I will attempt to compare/contrast the data on hand size, with the information on handgun size, and try to draw some conclusions, about placing commonly available handguns could be grouped in terms of Small, Medium, and Large.
I appreciate that this may be a fools errand, as handgun fit is not necessarily a significant indicator to how well one performs, shooting. I have learned that the hard way, with several costly mistakes. If you agree, feel free to ignore this thread. Nonetheless, I find this kind of numerical analysis interesting, and in particular, how/whether this might aid someone new to handguns, select a pistol for first use.
On to the nuts and bolts:
To have a metric to work with, I have selected item 57, "Hand Length", out of MIL-STD-1472D, Human Performance Engineering. I am familiar with 1472D from previous work in the Aerospace industry in applied Human Factors Engineering.
I picked Hand Length as being representative of "sizing", in terms of the ability to span a pistol grip, and reach the trigger surface with the crease or pad of the trigger finger. Hand length is also typically used in the glove industry for sizing purposes. This measurement is is depicted in the screen capture below, at left, and measures from the base of the palm to the tip of the middle finger.
So, with all that said, this thread, Part 1, is to collect, from volunteers, empirical data on hand sizes, within this forum's community. All data will be anonymously recorded, and only used to compare hand length data (Part 2) with handgun data, in Part 3. As a feature, once the data is entered, the table will calculate your percentile, compared to the values in MIL-STD-1472D.
For example:
Here you see data for one actual subject (me), as well as three "control" (imaginary) subjects. My hand size measures out at 25% centile. Makes sense, I am 5'6" and tend to have smaller features. Control 1, 2 and 3 represent imaginary hand lengths at roughly 50%, 75% and 95%, compared to the values in 1472D.
So: If you would like to participate in this case study, please comment back with the following information in this thread, or by private message:
DATA REQUESTED
Gender: M or F
Hand length: (inches or mm)
Current Preferred Glove Size