Description
The Strike Industries Enhanced AR-15 Lower Parts Kit (SI-AR-E-LRPLT) is a complete small-parts kit designed to build out or upgrade a Mil-Spec AR-15 lower receiver. This LPK features Strike Industries’ Enhanced components throughout, giving your AR build upgraded ergonomics and ambidextrous function over a standard parts set.
This version is sold LESS Trigger, Hammer, and Disconnector, allowing builders to pair the kit with their preferred Mil-Spec fire control group. It is intended for .223/5.56 AR-15 lower assemblies.
The kit includes:
- Enhanced Bolt Catch with bolt catch spring
- Enhanced Magazine Catch with Magazine Catch Button
- Pivot Pin and Takedown Pin with detents and springs
- SI Selector Lever and SI Selector End Plate
- SI 60/90 Degree 3-in-1 Ambi Safety Selector
- Buffer Retainer Spring and Disconnector Spring
All components are finished in black. This is a small-parts / internals kit only; the lower receiver, pistol grip, and buffer tube are not included.









