<b>The Master of the AR-15 Has Done It Again!</b><br><br><p>The AR-15 has become America's favorite rifle-and no one knows it better than <i><b>Patrick Sweeny</b></i>. Now, in Volume 3 of his best-selling series on the AR, Sweeney unlocks the mysteries behind the piston AR. From factory-stock rifles to do-it-yourself conversions, if there's anything you want to know about the latest generation of the AR-15s, you'll find it in <i>Gun Digest&#174 Book of The AR-15, Volume 3.</i><br><br><p><b>It's All Here!<br><br><p><li>Piston designs<li>Conversions from direct impingement to piston operation<li>New manufacturers: H&K, Sun Devil, CMMG, among others<li>Magazines and other accessories<li>And much, much more!</b><br><br><p>Whether you're buying your first AR or building one from the ground up, there's no better reference than Sweeney's AR series from Gun Digest&#174 Books. And now, with <i>Gun Digest&#174 Book of The AR-15</i>, Volume 3, you too, will be an expert on the most popular rifle in America!