phone: 888-568-1771

Strike Industries Enhanced Lower Parts Kit

Currently shipping same day or next business day!!
  • Fast Shipping

  • Thousands of Reviews

  • 7 Day Customer Service

  • Amazing Selection

The Strike Industries Enhanced Lower Parts Kit is an excellent mil-spec+ LPK. It includes an ambidextruous safety selector and quality, machined components that provide smooth, reliable operation.

Additional Features:

  • 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 degree 3-in-1 Selector Shaft

Required Tools

To install all the components listed above, you'll need a pair of roll pin punches and a gunsmithing hammer. An Armorer's Wrench is recommended for installing the buffer assembly (sold separately, see details below).

Grab everything you need from our Gunsmithing Tools.

Easy-to-Follow Install Instructions

First time assembling, or need assistance with certain steps? Check out our in-depth instructional and picture guide. It shows the full LPK assembly with tips and tricks, including tools required and the buffer tube and castle nut install.

Buffer & Grip Sold Separately

This lower parts kit does not include a buffer tube, stock or brace, nor a buffer or recoil spring. Those components can be purchased here. Pair this kit with an upgraded pistol grip for better control.

Finishing Your Custom AR-15 Build

This lower parts kit is compatible with retail-bought stripped lower receivers and fabricated AR-15 80% lowers. Learn what other parts you need to finish your AR-15 with our Beginner's Build Guide.



WARNING: Handling firearms parts and accessories can expose you to lead and other petroleum products known to the State of California to cause cancer and reproductive harm. For more information go to:

Shipping Restrictions

Shipping of various parts and/or accessories are prohibited to states and locales (ie New Jersey, California, New York, etc…) with restrictions against certain parts and/or accessories or "assault weapons" (i.e. states with high-capacity magazine restrictions, manufacturing of semi-automatic weapons, etc..). It is your responsibility to be aware of your local firearms laws before purchasing from our website or machining a firearm. We try our best to keep our shipping page current, but laws change daily. only ships within the United States. Federal legislation dictates we cannot ship our products internationally.

Strike Industries

We are a national retailer of individual components and not all products depicted on this website are legal in every state. Shipping of various products found on this website are prohibited to some states (such as California, Connecticut, District of Columbia, Hawaii, New Jersey, New York, Rhode Island, and Washington). The information, pictures, text or products presented on this website are not a representation by us, and should not be understood by you, that any product or completed firearm is legal to assemble or own in your state of residence. We encourage each and every builder to perform their own research about the state and federal laws that apply to them. It is your responsibility to understand the law and we encourage you to consult with an attorney or your local ATF representative.