Everything you need to know about AR-15s from top firearms writers. The Guns & Ammo Guide to AR-15s is packed with a wealth of valuable information compiled by the foremost firearms writers today. A vast range of topics is covered in these articles, including: The lure of the SBR The evolution of the REPR Bore conditions that affect your cold-bore shot Geissele triggers Aperture sights High precision (down) range AR 9mm perfection Reloading for AR-15s And much more! Discover tried and true tips, tactics, and techniques from the pros along with guidance on buying gear and firearms from experts including Patrick Sweeney, David Faubion, SGM Kyle Lamb, Tom Beckstrand, and Eric R. Poole. The Guns & Ammo Guide to AR-15s has everything you could want to learn about AR-15s.