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

Browse the latest arrivals by CRITICAL MASS