Thrust Bearing, also called Back Spring Guide for Crosman, Bam, and others. Fits Crosman Questn1000, Quest 800, Quest 500, , 30150 Fury II Blackout, CF1k77x Fury, 36051 Copperhead, CO1K Optimus, CST8M22XKT Tac 1 Extreme, Stealth Fury II CST17SX, Thrasher CTH17DTNS, CTR82SX TR 77, Serria Pro CW1K77XKT, Storm, Remington RW1K77 Summit, Remington RW1K77 Vantage, Remington RW8M22X, and others.
