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Sig Sauer MCX Spear (7.62x51) 


  • Civilian version of the U.S. Army’s new XM7 rifle
  • Chambered in 7.62x51
  • 16in barrel 
  • Non-reciprocating side and rear charging handle for maximum flexibility in shooting position and optics capability
  • Fully ambidextrous controls including ambidextrous bolt catch and bolt release
  • Integrated stainless steel QD mounts in the lower receiver for easy, secure attachment of slings
  • Coyote tan anodized
  • Interchangeable barrel for easy caliber conversion
  • 2-position adjustable gas valve for suppressed or unsuppressed use
  • Includes SIG SAUER SLH and SLX suppressor-ready QD mount flash hider
  • Matchlite Duo Trigger for a clean, crisp break
  • Folding 6 position Magpul SL-M stock
  • Ships with (1) 20 round magazine


**Please provide the name, city and state of your FFL in the order notes section during checkout.**

Sig Sauer MCX Spear Rifle (7.62x51mm)

Out of Stock
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