I picked up a brand new Glock 21SF today, and I absolutely love this thing. Even compared to my Sig229 and HK USP .45 this Glock feels like a nice set of titties in my hand. However I do have a question about the pic rail on it.
Both the box and frame of the gun have SF indicated on it. However, the rail on my G21SF looks like:

And I also see Glock 21SF's with rails like this:

And now I dont even see the G21 SF offered on the Glock website. Did they discontinue this model? Why the difference in rails? Did I buy a left over old outdated version or something?
Both the box and frame of the gun have SF indicated on it. However, the rail on my G21SF looks like:

And I also see Glock 21SF's with rails like this:

And now I dont even see the G21 SF offered on the Glock website. Did they discontinue this model? Why the difference in rails? Did I buy a left over old outdated version or something?