M4-G3 FK FAB - Collapsible Buttstock System For HandK G3 and Variants

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The M4-G3 FK Collapsible Buttstock for the Heckler & Koch G3 is an M4 style collapsible buttstock with 5 optional length positions for enhanced performance and versatility.





  • Provides optimal eye to target alignment
  • Made from 6061 T6 Billet aluminum and fiberglass reinforced polymer composite
  • Replaces the original stock and securely attaches to the G3 back plate
  • Integrated Quick Detach sling swivel connectors on both sides
  • Enhances natural fighting stance and hold on your G3
  • Rubber butt-pad for reduces slipping
  • Intergraded storage compartment for 2x CR123 / AA batteries
  • Available in black, olive drab green, or desert tan


  • H&K G3 and variants

Additional information


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