Strike Industries Lower Parts Kit, Does Not Include Fire Control Group, Fits AR-15, Black SI-AR-E-LRPLT

The Strike Industries Enhanced AR-15 Lower Parts Kit offers a convenient upgrade package for the AR15 and those looking for a complete Strike solution for new builds, or to update their plain jane AR.

Below you'll find a complete breakdown of all the parts this kit comes with including our Strike Enhanced parts which provide better looks and higher function than an average LPK.

COMPATIBILITY: AR-15 and AR-9 Mil-Spec lower receivers

NOT COMPATIBLE: AR-10: Bolt Catch, Bolt Catch Roll Pin, Pivot Pin and Takedown Pin are not compatible with AR-10 lower receivers.

PACKAGE CONTENTS:

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  - features improved grip surfaces and angles
• Strike Magazine Catch 
• Strike Magazine Catch Button - features improved grip surface
• Enhanced Pivot Pin - longer of the two large pins.
• Enhanced Takedown Pin - smaller of the two large pins.
• SI Selector Lever - 2 included in package
• SI Selector End Plate
• SI 60-90° 3-in-1 Selector Shaft - with screws
• Bolt Catch Plunger – mushroom shaped pin
• Bolt Catch Roll Pin - 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 small pin protruding from the top

** Highlighted parts are SI exclusive ENHANCED components

PRODUCT 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 and smooth 4 ½ to 5 ½ lbs trigger pull with our fire control group