Records by Mail maintains one of the largest selections of rare and vintage DEF CON 4 vinyl records available anywhere - online or off. We are continually scouring the country and the world for the rarest & finest vintage DEF CON 4 records, LPs & 45s. You'll find that our DEF CON 4 records are always in excellent condition and are painstakingly graded so you'll know exactly what you're getting. Browse our featured DEF CON 4 records below to find exciting vintage gems.

Browse the latest arrivals by DEF CON 4