My draw (acquisition and presentation) is the same for small revolvers and pistols as for large ones, although I may not have to find a specific position for my little finger for the shorter gripped guns. My primary grip uses my middle and ring fingers, with little to no attention needed for my little finger, anyway. (I mostly try to simply keep it from interfering with my master grip.)
This also means that my draw is the same for revolvers as for pistols (whether or not they incorporate a manual safety functioned by my thumb), with the caveat that when I feel the curved grip frame of a revolver, my thumb curls tightly downward (staying away from the rear of the cylinder and the thumb latch). After so many years of draws I tend to think of it as a type of "pattern recognition", like when you grasp many other familiar things, like steering wheels (even of different sizes and styles), gear selector knobs/levers, etc.
I've trained and used both "retention" holsters (thumb operated snap or lever device), and "open top" holsters, for both work and off-duty, so I've spent a fair number of years ingraining the use of both types for belt holsters (then, there's also pocket holsters to add to the mix for me, for my smaller revolvers and pistols). Kind of like remembering whether you're using lace-up/tied shoes or boots, or slip-on loafers or boots, zippered boots, etc. You use all of them frequently enough, you don't have to stop and think about which one you're using, or how to use it (or sometimes even remember having put them on or off).
Interestingly enough, practicing a "dry" draw (EMPTY gun, and mags, if a pistol) is one of the things often discussed and recommended in various LE training venues, to make sure the users remain familiar with their equipment (and not just from the "wearing it daily" perspective). The draw is often going to be something that has to happen when the conscious mind and attention is suddenly focused on any number of other things, many of which may be both unexpected and imminently threatening. That's not the greatest time to have the opportunity to stop, slow down and have to "think about" how you need to draw.
This is also a great argument for commonality of equipment, particularly if someone hasn't done a lot of practice to become intimately familiar with their gear. I remember when a holster company used to recommend that new users of its L3 safety holsters perform at least 200 correct repetitions before hitting the street with the holster. A few years ago when I learned that it was now being recommended that at least 500 proper draws be done by the new user before the holster entered service. When you consider that some studies and sources have expressed the opinion that it may require between 2500 and 3000 correct repetitions for someone to develop familiarity with a new physical movement, it's probably a good idea to be as familiar and conversant as possible with your equipment.
It's also a good idea to inspect holsters for wear & tear and damage, and especially when it involves holsters for new pistols which incorporate trigger safeties, to make sure nothing improperly interacts with, and presses, the trigger during holstering. I've also observed more shooters than I can remember who slipped and let their trigger fingers get trapped by a holster mouth, being pushed inside a trigger guard ... or let an errant drawstring or corner of a jacket, windbreaker or fleece get caught up in the trigger guard during holstering.
Holstering and drawing (and remember that "reholstering" is really the same as holstering) are both dangerous activities when it involves a handgun. Kind of like being behind the wheel when the engine is running, the car is in gear and a foot is waiting to press a pedal. Better being paying attention to the important stuff.
People can get shot when mistakes happen,
or when the wrong holster has been selected,
or when a holster suffers damage or wear that makes it no longer able to be used properly and safely.
Drawing may happen quickly, but it mustn't happen so fast that proper attention to safety and manipulation isn't occurring.
Sorry for the wordiness, but it's a habit to slip into trainer mode for
seemingly simple questions about gun handling.
Like the punch line for a well-worn joke about handling a gun, with or without a safety ... "
Is Gun. Is Dangerous".
