“Original” Fostech Echo AR ll Trigger. This is an earlier release that has a stainless steel body and not the polymer body that is currently made. Prices are firm. Cash only https://fostech.com/product/echo-ar-ii-trigger/ Fostech Trigger for AR - $300 BATTLELINK Minimalist Milspec Stock - $25 Magpul ASAP - Ambidextrous Sling Attachment Point - $20 Magpul B.A.D Lever Battery Assist Device – AR15 - $20