The Real Avid AR-15 Field Guide Book is a handy reference guide for all your AR-15 needs. Disassembly, scraping, cleaning and lubricating are found in the coated oil- and solvent-resistant pages. The AR-15 Field Guide helps shooters maintain critical moving parts that affect AR-15 reliability and performance. Whether you're at the bench or in the field, you can trust this detailed manual. 41 pages. Softcover. Imported.