This is also what led Rob Pincus to conclude " for all shooters, at some point, there will be a moment when they can fire one more round of 9mm in any given period of time. That extra round’s capacity to wound will far outweigh the miniscule difference in potential for any individual bullets".
Lest this be seen solely as something about big bullets vs small, people should also realize that everything said above would apply to a comparison between a good service-size pistol with adequate mass, a good grip, and a low bore axis, and some pocket pistol.
Unless I go back to appendix carry, not currently planning to, the difference in Glock 19/23/32 and 2nd shot time doesn't matter.
For strong side IWB (3:00) a 1911 is more comfortable - for me.
I have 1911's in 45 acp and 10mm and do not plan to buy a 9mm 1911.
Comparison between a 1911 in 45 acp and 10mm (big bullets as related to thread topic)
Speed of follow up shots is a factor but no timer in this example just subjective and a calculation.
Calculator:
http://www.shooterscalculator.com/recoil-calculator.php
2.5# firearm weight assigned for 1911
Actual power charge for 10mm handloads, 45 acp powder charge assigned from AA manual
10mm Handload 180 Gold Dot @ 1,152 fps / 531# KE - recoil energy
8.1 -
PF 207
10mm Handload Nosler 150 JHP @ 1,402 fps / 655# KE - recoil energy 9.4 - PF 210
10mm Handload Hornady 155 XTP @ 1,400 fps / 675# KE - recoil energy 9.6 - PF 217
--------------------------------------------------------------------------
45 acp Federal 230 HST @ 891 fps / 406# KE - recoil energy 7.8 - PF 205
45 acp Winchester 230 Ranger T @ 915 fps / 428# KE - recoil energy
8.2 -
PF 210
45 acp Remington Golden Saber 185 +P @ 1,157 fps / 550# KE - recoil energy 9.0 - PF 214
Subjectively the 180 gr. 10mm Gold Dot has similar recoil and speed of 2nd shot as 230 gr. Ranger T
The calculations of recoil energy and PF support my subjective impression.
Objectively the moderate 10mm 180 Gold Dot has about 20% more KE than 230 45 acp Ranger T
(whether one thinks KE makes a difference or not)
Capacity favors 10mm with an extra round.
Yes, I do carry that 180 Gold Dot handload, same velocity as DoubleTap Colt Defense:
http://www.doubletapammo.net/index.php?route=product/product&product_id=769
Before anyone replies about carrying handloads being a bad idea or references H. Fish, I know and I know. I've only shot a few factory rounds of 175 Critical Duty in the Delta Elite, the other hundreds of rounds have been my handloads, they function 100%, they're accurate and approximate factory velocity (above link).
I've tested the 180 Gold Dot and after 4 later denim shot into water filled gallon jugs expansion is .75 - .80 (tested twice)
Remove the denim (just water) and it "over expands" to the point of pushing petals down closer to base resulting in smaller diameter of about .65
Either way, I consider bullet performance about perfect at cited velocity.
I do have a use for a pocket pistol, carried as a 2nd option to the 1911 IWB on my belt.
Benefits of 2nd option PM9 include:
-put hand on it without revealing I'm carrying
-primary pistol suffers part breakage or demonic jam
-carried in weak hand pocket in case something happens to dominant hand
Yes, I have shot the PM9 one hand weak hand with carry ammo (Corbon 115 +P) and it was less abusive to my hand than a LCP 380.