Patrick Sweeney. 286 pages. 8½" x 11". Softbound. A generously illustrated look at the vast array of aftermarket parts and accessories for the AR-15, with lots of information on piston systems and conversions. Includes a survey of magazines and ammunition, plus a look at 6.8mm variants and .22 LR conversions.
AR-15, Issue:09, Page:082
Big Book Catalog, Issue:66, Page:080
New Product Supplement, Issue:641, Page:004