Strike Industries AR 15 Enhanced Lower Receiver Parts Less Trigger, Hammer and Disconnector

Strike Industries AR 15 Enhanced Lower Receiver Parts Less Trigger, Hammer and DisconnectorThe Enhanced Lower parts kit offers a convenient upgrade package for the AR-15 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 you need to build out your AR (minus the grip), with Strike Industries Enhanced lower parts where applicable.Features Includes SI's signature Enhanced Lower Parts (AR-EBC, AR-SMC, AR-EPTP, & AR-HS-60/90-3in1) SI's Trigger Springs provide a consistent 4 1/2 to 5 1/2 lbs trigger pull with our fire control groupIncludesSprings Bolt Catch Spring - easily confused with the disconnector spring; the disconnector spring is tapered. Buffer Retainer Spring - the second largest coil type spring in the kit. Disconnector Spring - slightly larger than bolt-catch spring, identifiable because one end is a little bit wider than the other. Hammer Spring - the 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 with a larger diameter; there will only be one of these. Takedown Detent Spring - same as the pivot detent spring, so there are two in a kit. Trigger Spring - the smaller of the two largest springs.Pins Enhanced Bolt Catch - features improved grip surfaces and angles Strike Magazine Catch Strike Magazine Catch Button - features an improved grip surface Enhanced Pivot Pin - longer of the two large pins. Enhanced Takedown Pin - the smaller of the two large pins. SI Selector Lever - 2 included in package SI Selector End Plate SI 60-90deg 3-in-1 Selector Shaft - with screws Bolt Catch Plunger - mushroom-shaped pin Bolt Catch Roll Pin - the smaller of the two roll pins. Hammer Pin - solid pin with machined grooves; can be inserted from either side. Pivot Detent - same as takedown detent; both sides usually rounded or semi-conical. Selector Detent - one end is flat, the other pointed/semi-conical. Takedown Detent - same as pivot detent; both sides usually rounded. Trigger Pin - same as hammer pin; can be inserted from either side. Buffer Retainer - large hollow barrel with a small pin protruding from the top** Highlighted parts are SI exclusive ENHANCED components