>>63957730 (OP)1. GOA is suing the government to get the registration done away with entirely, based on precedent defending the NFA as being Constitutional because it's a tax and Congress can tax things—but if the "tax" is $0 then it's not really a tax, is it?—so you may want to hold off a little longer
2. if the stamp being $200 was holding you back, you probably can't actually afford B&T products
3. maybe I'm not the target market for this, but I don't understand the sunk optic cut—anything you put on the top rail is going to completely fuck your sight picture through your Aimpoint ACRO P2