PART# 3442 /BROWNELLS SKU 100002727: Factory replacement spring-loaded bearing for Glock model 20, 21, 29, 30, and 36 chambered in 10mm, .45 Auto (not GAP) (use only with LCI Extractors) PART# 3439 /BROWNELLS SKU 100002726: Factory replacement spring-loaded bearing for Glock model 22, 23, 27, 31, 32, 33, 35 chambered in 40S&W-357 Sig (use only with LCI Extractors). PART# 2714 /BROWNELLS SKU 100002724: Factory replacement spring-loaded bearing for Glock model 17, 19, 26 and 34 pistols chambered in 9mm Luger caliber. (use only with LCI Extractors) Mfg: Glock
