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Enhanced Lower Parts Kit for .223/5.56 by Spike's Tactical

Usually ships the same day or the next business day!

Spike's Tactical is known for their excellent quality parts. If you're trying to replace your AR's lower parts with a better and more durable one, you need the Spike's Tactical Enhanced Lower Parts Kit for .223/5.56 AR rifles. The parts of its fire control group have been coated in nickel boron for a much smoother operation. The hammer and trigger pins have been replaced by anti-roll pins to make sure your fire control group stays put. And of course, it comes with all the other parts you need too. 

Need assistance with installation? Use this guide!

Additional Features:

  • Battle Trigger Group (Nickel Boron Coated)
  • Billet Tool-less Trigger Guard
  • Black Ergo Grip
  • Black KNS Anti Rotation Gen 2 Mod 2
  • Ambidextrous Safety
  • Bolt Catch, Spring, Roll Pin, and Plunger
  • Magazine Catch, Spring and Button
  • Front Pivot and Rear Takedown Pin w/ Detent and Springs
  • Buffer Retainer Spring and Plunger
  • Grip Screw and Star Washer

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.

Spike's Tactical
.223 Wylde
.300 AAC Blackout

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.