Glock 17/20/21/22 Stock Disconnector, 5.5lb, Used, Excellent $10.00 Factory 5.5lb disconnector for a Glock 17/20/21/22. Excellent used condition. Out of stock Category: Glock Related products Glock 20/21 Recoil Spring Guide Rod c/w 17lb Spring $59.97 Glock Gen 3/4/5 Full Length Guide Rod c/w 16lb Recoil Spring $79.97