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Sig Sauer MCX SPEAR 7.62X51 Pistol - 13"

AR Pistol

In stock
Only 1 left

FFL Required Before Shipping.

Please have your dealer email a copy of their FFL to [email protected] or fax it to 253-218-2998, referencing your name and order number.


Special Item Notice: Due to the limited availability of this product and demand, the Sig MCX Spear 7.62x51 Models are currently only being sold with the purchase of a Sig P320 X-Five Legion Pistol.  In order to check out you must have both firearms in your cart.  Orders are subject to cancellation if both firearms are not on the order.  We appreciate your understanding and as we receive more inventory this may be adjusted. 

To add a Sig P320 X-Five Legion 9mm Pistol to your cart, visit the link here

Introducing the MCX-SPEAR, the civilian version of the U.S. Army’s new XM7 rifle. The next generation has arrived. The MCX-SPEAR by SIG SAUER.



  • Civilian version of the U.S. Army’s new XM7 rifle
  • 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



  • Caliber: 7.62x51
  • Barrel Length: 13" (330 mm)
  • Mags Included: (1) 20rd Mag
  • Mag Type: SR-25
  • Action Type: Semi-Auto
  • Barrel Material: Chrome / Moly Steel
  • Trigger Type: Curved Match
  • Twist Rate: 1:10"
  • Forend Type: Alloy
  • Grip Type: Polymer
  • Receiver Finish: Coyote Anodized
  • Overall Length: 24.5" (622 mm)
  • Overall Width: 2.5" (64 mm)
  • Height: 8" (203 mm) without magazine
  • Accessory Rail: M-LOK
  • Operating System: Gas Piston
  • Weight: 7.6 lbs (3.9 kg)
More Information
Product Type AR Pistol
Manufacturer Sig Sauer
Barrel Length 13"
Caliber 7.62x51

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