I read these instructions and it seems like a great design. Do you sell those to class 2 manufacturers for dealer samples. I am currently working on a text amendent in las vegas so I can file for my class 2 manufacturers license.I want to build out of my home and sell on the net but vegas wont let you sell out of your house . I cant afford to open a shop quite yet but love to build guns and want to be able to sell my work. If I were a class 2 how much for the discon. shown in the drawing? Do you sell it complete or do i have to bend it? Will it work on an S-12, SAIGA 762, or an ak74 (building