Strike Industries AR-15 Enhanced Lower Receiver Parts Kit

The Strike Industries AR-15 Enhanced Lower Receiver Parts Kit offers a convenient upgrade package for the AR15 for those looking for a complete Strike Industries solution for new builds, or to update their plain jane AR. This kit includes all the basics that you will need to build out your AR (minus grip), but with Strike Industries Enhanced lower parts where applicable. Package includes:Bolt Catch Spring - easily confused with the disconnector spring; disconnector spring is tapered though.Buffer Retainer Spring - second largest coil type spring in the kit.Disconnector Spring - slightly larger than bolt-catch spring, identifiable because one end is a little bit wide than the other.Hammer Spring - largest of all the springs. Magazine Catch Spring - this is the largest coil spring in the kit.Pivot Detent Spring - same as the takedown detent spring, so there are two in a kit.Selector Spring - similar to the takedown and pivot detent springs, but larger diameter; there will only b...