Discount Mags offers Gun Digest Magazine 1 Year, 26 Issues - $30.39. Must use coupon code "J20" to get 20% discount. This magazine provides deals on guns and ammo, it is very easy to use and provides detailed articles. Gun Digest Magazine is the nationwide, all-advertising marketplace for buyers and sellers of firearms of all kinds. You'll find over 40,000 guns for sale in each issue, indexed alphabetically for reader-convenience. Each issue features display advertising from the nation's top dealers.