The Enhanced Lower 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.
Included
Springs
- Bolt Catch Spring
- Buffer Retainer Spring
- Disconnector Spring
- Hammer Spring
- Magazine Catch Spring
- Pivot Detent Spring
- Selector Spring
- Takedown Detent Spring
- Trigger Spring
Pins
- Enhanced Bolt Catch
- Strike Magazine Catch
- Strike Magazine Catch Button
- Enhanced Pivot Pin
- Enhanced Takedown Pin
- SI Selector Lever
- SI Selector End Plate
- SI 60-90° 3-in-1 Selector Shaft
- Bolt Catch Plunger
- Bolty Catch Roll Pin
- Hammer Pin
- Pivot Detent
- Selector Detent
- Takedown Detent
- Trigger Pin
- Buffer Retainer
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 ½ to 5 ½ lbs trigger pull with our fire control group
