Krause Publication GD Book of AR 15 VOL 4

GUN DIGESTA(R) BOOK OF THE AR-15Volume IV by Patrick Sweeneya One of America's best-known firearms authors & experts offers testing tips tricks & techniques about America's favorite "black rifle" a Keeps AR enthusiasts up to date about new variations & accessories while informing readers about improvements & upgrades to existing models a Contains 400 detailed photos & excellent data on the latest & greatest ARs from Remington Smith & Wesson Bushmaster DPMS Rock River Ruger & other manufacturers a Patrick Sweeney takes a look at the proliferation of piston system a Readers will find numerous tests & reviews such as barrel temps druing a rapid-fire session accessory reviews & info on the latest optics FBI test overviews & the performance of various types of ammo when subject to bare gelatin auto glass and sheet metal a Paperback a 288 pgs