• Mil-spec diameter receiver-extension tube, 6-position, hard-coat anodized aluminum with rolled threads
  • Carbine buffer (~3 oz) — H1 weight for a balanced gas curve
  • Carbine action spring
  • Steel castle nut, properly cut for stake-engagement
  • Steel receiver end plate

Full details and secure checkout: https://3crtactical.com/trinity-force-mil-spec-buffer-tube-kit/?utm_source=armslist&utm_medium=referral&utm_campaign=listing