New Design Suppressor for Military Grade Rifles Brand New!! Keith Anderson,renown for his quality suppressor books has completely revised this manual. It features a more efficient suppressor design than the previous edition and takes you step by step from raw material to a finished military grade suppressor. This suppressor works for AR-15s, .50 BMGs or other models in between. The book covers construction tools, materials and techniques. It even tutors you in the art of welding. It is a must have for serious silencer enthusiasts and if you purchased the previous edition you will certainly want this one. *Be sure to buy the companion DVD UPC# 793573814371. This is a must have tool to accompany the comprehensive publication by Mr. Anderson.