The Wide Open Trigger (WOT) is the world's first hard-reset trigger designed for AR-15 platforms chambered in .223/5.56. These triggers are Awesome! If you haven't heard of them yet, check'em out on YouTube. Designed as a true “plug-and-play” drop-in replacement trigger, the WOT is easily installed without the help of a professional gunsmith. Installed but never fired, like new. Purchased with "No BS" Lifetime warranty. PayPal accepted and will ship for $10 extra.