• 21 piece oops lower parts kit.
  • All springs and detents for .223 / 5.56.
  • No hammer, trigger or grip.
  • Those springs and detents love to fly and hide.
  • Installing them inside of a plastic grocery bag can usually help prevent them from getting lost.

Full details and secure checkout: https://3crtactical.com/21-piece-oops-lower-parts-kit-replacement-springs-pins-detents-6502/?utm_source=armslist&utm_medium=referral&utm_campaign=listing