So like everyone else, I recently received my pre-ordered NU20 Classic and was again annoyed at how heavy the stock shock cord and adjuster are. So I drilled some holes in the backplate to accept different sized shock cords, drilled some larger holes to cut a bit of weight, peeled off the thin foam layer on the backplate, and replaced the stock shock cord with a thinner cord and a much lighter cordlock.

Final weight with 1mm shock cord, which still performs very well for me, is 29.86g on my scale, and I figure I could probably save another gram or so with a lighter cordlock. The one I had on hand is 1.69g, and Quest Outfitters has their mini mini cordlocks at 0.43g. As a side note, if anyone has a lead on where to buy cordlocks of that size elsewhere (especially in Canada or from AliExpress), please let me know. I can't quite bring myself to pay $10 in shipping for a $0.28 cordlock.

Photos of all the weights and mods are here: https://imgur.com/a/WTiWbf9