Coupon code "mbusset"
http://palmettostatearmory.com/magpul-gen-2-mbus-front-rear-back-up-sight-set.html
http://palmettostatearmory.com/magpul-gen-2-mbus-front-rear-back-up-sight-set.html
I got the email about them yesterday, but I did not know if they were any good. Judging by the reactions here, I guess they are. At least for what they are selling for.
It is a nice deal. My order has been "processing" since the 13th. Typical PSA.