• BCM mil-spec carbine buffer tube — aircraft-grade aluminum, hard-coat anodized
  • Carbine buffer (~3 oz)
  • Carbine action spring
  • Steel receiver end plate
  • Steel castle nut

Full details and secure checkout: https://3crtactical.com/bcm-milspec-stock-hardware-mount-kit-8971/?utm_source=armslist&utm_medium=referral&utm_campaign=listing