The AR15 Complete Owner's Guide - AR-15 Guide Vol. 1 2nd ED. Provides the prospective, new or experienced AR-15 owner with the in-depth knowledge he or she needs to configure select, operate, maintain and troubleshoot his or her rifle. The Guide covers the history, applications, details of components and subassemblies, operating, cleaning, maintenance and future of perhaps the most versatile rifle system ... more »ever produced. Photos and illustrations. 6" x 9".« less