• Significant changes have recently occurred within the firearms marketplace on gun values, including demand, supply, and speculation. These factors have been taken into consideration when updating both the tactical values and information in this newest edition.• Nearly 1,500 manufacturers and trademarks are listed, almost 20,000 gun model descriptions, and over 175,000 prices - no other firearms pricing guide is even close! • Provides extensive information on over 200 AR-15 and AK-47 manufacturers/importers! • A revised 80-page Photo Percentage Grading System (PPGS) guarantees the reader accurate grading. Simply look at the high resolution digital images and figure out the correct grade within seconds! • Includes extensive serialization charts for most major manufacturers, allowing the date of manufacture to be determined for most firearms.• An extensive Trademark Index provides up-to-date contact information for most of the world's firearms manufacturers and importers