FDE SB 3 pistol brace.
https://www.woodlandarmoryanddefense.com/sba-3-adjustable-pistol-brace-fde.html
  • Minimalist design
  • Made from black polymer
  • 5-position adjustable
  • MIL-SPEC carbine receiver extension included
  • Ambidextrous QD sling socket
  • BATFE compliant
  • U.S. veteran designed
  • Buffer spring not included in this kit