Not sure that any of the ones I have are what you are looking for, but please see below.
Both of these have the new locking block and barrel design, but you can still over insert the magazine.
T6472-23 CS 006XX
T6472-23 CS 011XX
This one has the old locking block and barrel design. You can over insert the magazine in this one as well.
T6472-22 CS 003XX