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Revolver vs Semi-Automatic Pistol: A Ballistic Oddity

I also wonder if the "lost" force of pushing the slide and barrel back on a semiauto, would decrease muzzle velocity as well. For every action there is an equal and opposite reaction - any propellant power that is used to rack the slide against spring pressure, is propellant power that isn't sending the bullet downrange...

Fire a semiauto back to back with a revolver, and you can feel the difference in recoil/snappiness. My revolver feels "dead" in my hands compared to my XDs, simply because there's no slide-rack-inertia. And if you rack your slide by hand, you can feel the resistance - that's sapping SOME power from the propellant charge. Question is, is it enough to change muzzle velocity?
 
Peglegjoe said:
I also wonder if the "lost" force of pushing the slide and barrel back on a semiauto, would decrease muzzle velocity as well. For every action there is an equal and opposite reaction - any propellant power that is used to rack the slide against spring pressure, is propellant power that isn't sending the bullet downrange...

Fire a semiauto back to back with a revolver, and you can feel the difference in recoil/snappiness. My revolver feels "dead" in my hands compared to my XDs, simply because there's no slide-rack-inertia. And if you rack your slide by hand, you can feel the resistance - that's sapping SOME power from the propellant charge. Question is, is it enough to change muzzle velocity?
Click to expand...

Now, that’s interesting; I think that my Desert Eagle .357 has a lot less recoil than a revolver because the gas system is eating up a fair amount of impulse.

It’s also a heavy SOB, though, so that probably helps.
 
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