Back ordered an SR-15 E3 Mod 2 M-Lok 16" through Brownells. The rep at Brownells I communicated with said the end of the month to early next month is their lead time on it.
So I hope to have some photos sooner than later.
Will probably put my NXS 1-4X24 FC-3G in Nightforce Uni-Mount on it to get started.