Shopping for Quad Rail Upper? Count on Brownells.com to provide the best selection and prices every day. With 132 Quad Rail Upper and Quad Rail Upper & Accessories in stock ranging in price from $15.99 to $4,195.00, you'll find all the best choices available. Our excellent selection of gun parts and gunsmith tools, along with our unwavering commitment to the best prices and customer service, has made us the number one online retailer in the industry. We know you'll find our Quad Rail Upper to be everything you expect, so we're proud to offer a 100% satisfaction guarantee. If you're not completely satisfied with your purchase, we'll make it right; whatever it takes. So check out our complete selection of Quad Rail Upper and place your order online or by calling us toll free at 1-800-741-0015. We're here to provide you with all the gun parts and gunsmith tools and information you need, so - if you don't find what you're looking for online - give us a call!