"There's never been a better time to take your AR to the next level. The options are many, from building AR-15s for competition, hunting or defense, to the challenges of long-range shooting and more. In this handy project guide, author and master gunsmith Patrick Sweeney gives you the technical details of critical performance parts, and then takes you step by step through the process to modify your AR for a specific purpose, with more than a dozen projects to help you create the performance AR of your dreams!"--Page 4 of cover