AR15 Lower Parts Kit with Stainless Steel Hammer and Trigger



Anderson truly knocked it out of the park with their Stainless Lower Parts Kit. Boasting an awesome price, precision machining, and an upgraded stainless steel hammer and trigger, the Anderson AR-15 LPK feels like a match-grade trigger right out of the box. It’s perfectly tuned with a 4.5-lb trigger pull and suffers zero creep, take-up, or over-travel. Thanks to quality fabrication, it’s one of the easiest parts kits you’ll ever install.

Polished Performance, Mil-Spec Fit

Anderson keeps the price low because they’re one of just a few OEM AR manufacturers. But affordable doesn’t mean cheap: Open the kit and you’ll find a trigger, hammer hook, and disconnector that were precision-cut and perfectly polished to ensure no break-in is required. The trigger breaks crisp, and every roll pin, detent, and spring installs with little effort thanks to perfect tolerances.

Complete Lower Parts Kit with Pistol Grip

The Anderson Stainless Parts Kit includes all components required for assembling your AR-15 stripped lower receiver:

  • Bolt Catch
  • Bolt Catch Plunger
  • Bolt Catch Roll Pin
  • Bolt Catch Spring
  • Buffer Retainer
  • Buffer Retainer Spring
  • Disconnector
  • Disconnect Spring
  • Stainless Steel Hammer
  • Hammer Pin
  • Hammer Spring
  • Magazine Catch
  • Magazine Catch Button
  • Magazine Catch Spring
  • Pistol Grip (A2 style)
  • Pistol Grip Lock Washer
  • Pistol Grip Screw
  • Pivot Pin
  • Pivot Pin Detent
  • Pivot Pin Detent Spring
  • Selector
  • Selector Detent
  •  Selector Detent Spring
  • Takedown Pin
  • Takedown Pin Detent
  • Takedown Pin
  • Detent Spring
  • Stainless Steel Trigger
  • Trigger Guard
  • Trigger Guard Roll Pin
  • Trigger Pin
  • Trigger Spring


No FFL required  Made in the USA  Lifetime Warranty

Shipping Restrictions only ships within the United States. Federal legislation dictates we cannot ship our products internationally. 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 (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. We try our best to keep our shipping page current, but laws change daily.

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, 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.