Diff. between MK2 and MK3

[Dueeast]

I had a MK II and sold it (regretably) and now have a MK III on order. Other than the internal lock, what are the differences? Thanks.

 

[96/44]

Magazine disconnect, loaded chamber indicator, and relocated magazine release.

 

[Dueeast]

Thankyou! I 8) look forward to shooting it.