Lower Receiver Set Screw and Roll Pin Screw Replacement Set



This kit contains the small components that come with your 80% Lower Fire/Safe Marked, Premium 80% Lower Fire/Safe Marked Billet, and your AR-9 (9MM) 80% Lower Billet

Replacement Set Includes:

  • 1 x Roll Pin Set Screw
  • 1 x Rear Takedown Detent Set Screw
  • 1 x Hex Key
No FFL required  Made in the USA  Lifetime Warranty

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

80-Lower.com only ships within the United States. Federal legislation dictates we cannot ship our products internationally.