Mechanically, since the 27 and the 28 are the same, any M27 barrel can be fitted to a 28 by a competent gunsmith.
Finish, on the other hand, is going to be different. The rib on M27 barrels is grooved to reduce glare. On 28s, the rib is "bead blasted" and smooth.
M28 factory finish is "satin blue". M 27s were "high lustre blue" or nickeled.
You can have the barrel fitted and enough work done to get a finish match if you desire and spend the $.
Whether or not you should is another question...
I wouldn't even consider it...
(my 28s are all -2s which are much more common I still wouldn't consider it, but, that's just me)
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All else being equal (and it almost never is) bigger bullets tend to work better.
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