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SIG Sauer MCX SPEAR-LT 5.56 Rifle - Coyote - 16"

Manufactured by Sig Sauer
Manufactured by Sig Sauer
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Items that are regulated by the ATF have restrictions and requirements: 
•Your entire order will ship only to a Federal-Firearm License holder.
•Please contact your local FFL prior to placing your order to ensure they are still accepting transfers.
•A copy of your order/invoice as well as the current FFL license for your local dealer must be emailed to ffl@primaryarms.com.



The SIG Sauer MCX-SPEAR LT 5.56 Rifle in Coyote with a 16" barrel represents the evolution of the MCX platform, refined through rigorous testing and valuable user input. This model stands out with its enhanced features and robust design, tailored for optimal performance.

  • Lightened profile barrel for increased accuracy
  • Lightened handguard with attachment screws for enhanced rigidity
  • Ambidextrous bolt catch and release
  • Minimalist stock for compact folding
  • AR15 style trigger compatibility

Equipped with a gas piston operating system, the MCX-SPEAR LT ensures reliable function under various conditions. The rifle's alloy forend and M-LOK accessory rail facilitate easy customization. Weighing in at just 7.5lbs, it is designed for ease of carry without compromising on durability.

The durable coyote anodized finish enhances the rifle's overall resilience against wear and tear. The MCX-SPEAR LT also features the Sig Flatblade Match Trigger and fully ambidextrous controls, making it highly adaptable for any user.

This model is chambered for 5.56 NATO and features a 16" carbon steel barrel with a 1:7 twist for optimal balance and maneuverability. The barrel is threaded 1/2x28 and includes a Rocksett® SIG QD Suppressor-Ready Flash Hider, making it ready for various attachments.

For those seeking a high-performance rifle built with precision and user-focused enhancements, the Sig Sauer MCX-SPEAR LT 5.56 Rifle offers an exceptional choice.

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Barrel CoatingMelonite
Barrel ContourLightweight
Barrel Length16
Barrel LiningMelonite
Barrel Material41V50 Chrome Moly Vanadium Steel
BrandSig Sauer
Caliber Gauge5.56 NATO
Gas System LengthMid-Length
Gas System TypeShort Stroke Gas Piston
Magazine Capacity30
Muzzle DeviceFlash Hider
Thread Pattern1/2 X 28
Twist Rate1:7
Weight7.4 lbs.
California Prop 65 warning

 WARNING: This product can expose you to chemicals, which are known to the State of California to cause Cancer and Reproductive Harm. For more information go to www.P65Warnings.ca.gov.

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