High quality components and precise manufacturing make LBE parts ideal for maintaining and upgrading firearms. The durability, reliability and excellent build quality of these parts will ensure years of service you can count on. LBE Unlimited's GLOCK finishing kit includes the key parts that are necessary for your next project. This kit includes Channel Liner, Spacer Sleeve, Safety Plunger, Safety Plunger Spring, Striker Spring, Striker, Extractor Depressor Plunger Spring, Extractor Depressor Plunger, Extractor, Spring Loaded Bearing, Spring Cups, and Cover Plate.