Oooooooohhhhh I just noticed he used a complete n.f. Lower. I was worried about mine because I want to do basically the same but my new frontier I bought is a stripped lower, I'll set it up just like my a1 carbine and use a rra lower parts kit too. Plastic FCG huh? I didn't know those were made, I guess im too used to ak's where there aren't even aluminum parts inside the receiver let alone plastic