I read the last few pages of posts with great interest. Many were hung up on the existence of foreward assist or not. If you’re at that level of nitpicking you also need to worry the existence or not of fences or slabside. If you don’t know what I’m talking about you definitely need to do more research before you can build an accurate viet nam era clone. Also tear drop Foreward assist or bullseye Foreward assist. Trap buttstock or non. Duckbill, three prong, or bird cage flash hider.