Thanks to ZipDic for giving me this design, I had to modify it slightly to fit the AR-15 ###As usual all building details will be in the make. If you are interested in other firearm parts and designs do join our group on keybase: Gun_Cad_Ideas. !!!Note: I'm always open for suggestion and help on improving the design and proof of concept. !Don't forget to check out my other Cool designs and Follow my Weekly dose of KooKoo uploads, Enjoy ;)