The Master of the AR-15 has done it again! The AR-15 has become America's favorite rifle-and no one knows it better than Patrick Sweeny. Now, in Gun Digest Book of the AR-15, Volume 3, Sweeney unlocks the mysteries behind the piston AR.
- AR Piston designs
- AR-15 conversions from direct impingement to piston operation
- New AR manufacturers: H&K, Sun Devil, CMMG, among others
- AR-15 mags and other accessories
From factory-stock rifles to do-it-yourself conversions, if there's anything you want to know about the latest generation of AR-15s you'll find it in Gun Digest Book of the AR-15, Volume 3.
