Anderson AR 15 Lower Parts Kit G2K421A000OP


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  • Mil-Spec Parts
  • Color – Stainless Steel
  • Stainless Steel hammer and trigger
  • Limited Lifetime Warranty
  • Free Shipping
  • Made in the USA
UPC: 661799410205 SKU: AIT80708 Category: Brand:

Product Description of the Anderson AR 15 Lower Parts Kit

The Anderson AR 15 Lower Parts Kit contains almost everything you need to assemble a stripped lower receiver. Just add your favorite stock kit for the ultimate custom rifle or pistol build. This lower parts kit is precision machined for a drop-in fit with nearly all lower receivers on the market.

Anderson Manufacturing builds rifles, pistols, and parts utilizing the latest in computerized manufacturing. By manufacturing in the USA, Anderson can offer quality, American-made products at an affordable price, backed by a their limited lifetime warranty.

  • Mil-Spec Parts
  • Color - Stainless Steel
  • Features a black hammer and trigger
  • Limited Lifetime Warranty
  • Free Shipping
  • Made in the USA

AR 15 Lower Parts Kit includes:

  • (1) Stainless steel hammer
  • (1) Hammer spring
  • (1) Stainless steel trigger
  • (1) Trigger spring
  • (2) Hammer/trigger pins
  • (1) Disconnector
  • (1) Disconnector spring
  • (1) Bolt catch
  • (1) Bolt catch plunger
  • (1) Bolt catch roll pin
  • (1) Bolt catch spring
  • (1) Buffer retainer
  • (1) Buffer retainer spring
  • (1) Magazine catch
  • (1) Magazine catch button
  • (1) Magazine catch spring
  • (1) A2 pistol grip
  • (1) Pistol grip screw
  • (1) Pistol grip lock washer
  • (1) Standard safety selector
  • (1) Safety selector detent spring
  • (1) Safety selector detent
  • (1) Takedown pin
  • (1) Pivot pin
  • (2) Takedown/pivot pin detents
  • (2) Takedown/pivot pin springs
  • (1) Trigger guard
  • (1) Trigger guard roll pin

Anderson products over $49 qualify for Free Shipping. If you have any questions feel free to contact us or use our handy Q and A section on this page so that we can lend you our expertise in choosing the right product for you.

Export Notice

The Anderson AR 15 Lower Parts Kit is controlled for export by the Export Administration Regulations (EAR) under the Commerce Control List (CCL). These controls take the form of export regulations and license requirements.

As part of the express consideration provided for receipt of AIT Arms goods, technical data and/or services, you, our customer, acknowledge that the export, re-export or other transfer, directly or indirectly, of the goods, technical data and/or services provided by AIT Arms in violation of U.S. law is prohibited.

Customers acquiring controlled goods, technical data and/or services from AIT Arms shall be responsible for obtaining any necessary U.S. or other government authorization required to ensure compliance with applicable export laws.  (See AIT Arms Shipping Policy for more information).

Safety Notice

Observe safe firearm handling practices at all times. Failure to do so may result in serious bodily injury or death. AIT Arms shall not be responsible for injury, death, or property damage resulting from faulty installation, misuse, illegal use, or modification of this product.


Additional information

Weight 6 oz
Dimensions 9 × 5 × 1 in

Anderson Manufacturing


Stainless Steel






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