It's going to depend on a few factors:
-does your driver have an option to turn the impacts off?
-how fast/powerful a driver is it?
-what are your skills?
Now having drilled some of these, it's very easy on non-nitride steel with a drill press and an appropriate vise. On nitride-treated steel it's more difficult, but you can minimize that with some file work on the spot beforehand (the nitride layer is very thin).
You will need a vise to hold the barrel, and with a hand-held anything you will probably have issues. Be sure to turn the impacts off if possible.
If you have any possible access to a drill press, the proper setup will make this an easy 5-minute or less job with a good result, while doing it handheld is very likely to be messy and may just fail.
An impact driver is similar to a handheld drill but has different internal gearing and mechanism, optimized for driving screws and nuts instead of drilling. The impact part is like an air impact wrench - a rotary hammer starts pounding on the bit holder when it meets enough resistance. They can be used for light drilling in wood or plastic but aren't optimal for that.
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