This comment -

And yes, I have thought about this, ever since I saw the said Upper and Lower Pockets in Dyneema and said to myself "nice" which turned into I need to get myself those for birding walks.
from this thread.

minimalist travel bag

got me wondering..

I've seen a couple pictures of the modular pockets for the SA being used internally instead of externally but is anyone using them with completely different bags? I'd like to have the UMP inside my Synapse19 but all those GK clips .. hmmmm ...