You may think surviving Y2K means holing up in a house stocked with supplies and guns—but consider the advice doled out by author Kenn Abaygo in a 1999 issue of American Survival Guide.

Deeb has been unable to keep up with orders for his 9mm carbine - a short-barreled, semiautomatic rifle - since November, when fears of Y2K-induced chaos began fueling sales. "I was 13,000 guns behind ...