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SIG Sauer MCX Spear-LT IR 5.56 Pistol - FDE - 11.5"

Manufactured by SIG SAUER
SKU: PMCX556N11BIR
MPN: PMCX556N11BIR
Manufactured by SIG SAUER
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$2,499.99

In Stock

Non-FFL orders placed before 3:30pm CST will ship same business day. Non-FFL orders placed after 3:30pm CST will be shipped the next business day. FFL orders will ship within 3 business days once transfer details are provided.

This item is shipped from a separate warehouse. Please allow at least 5 business days for the item to be available when purchasing.

For individual Officer, First Responder, and Military pricing please make sure you are logged in. for details

Handguns are regulated by the ATF have restrictions and requirements:
 •Your Entire Order will ship only to a Federal Firearm License holder
•Carriers and shipping methods are limited
•A copy of your order/invoice as well as the current FFL License for your local dealer must be emailed to ffl@primaryarms.

Details

Details

The SIG Sauer MCX Spear-LT IR 5.56 Pistol in FDE sets a new standard for modern tactical rifles with its advanced features and exceptional build quality. Designed with Cerakote Gen II IR Coating, this rifle features a reduced infrared signature, making it less visible under thermal or night vision. This coating also provides superior wear and corrosion resistance, ensuring the rifle performs reliably in harsh conditions.

Features:

  • Reduced IR signature gen 2 FDE Cerakote
  • 11.5" Cold hammer forged barrel chambered in 5.56 NATO
  • Folding arm brace
  • Fully ambidextrous controls
  • SIG suppressor ready QD flash hider
  • Interchangeability with all MCX-LT barrels and handguards
  • Short stroke piston system
  • SIG 2-stage Matchlite Duo trigger

Fully ambidextrous controls—including the safety, charging handle, magazine release, and bolt catch/release—make the MCX Spear-LT IR accessible to all users, regardless of dominant hand.

Outfitted with a SIG suppressor-ready QD flash hider, this pistol is optimized for integration with suppressors. Its design allows for interchangeability with all MCX-LT barrels and handguards, offering customization and versatility to meet the needs of any mission.

Chambered in 5.56 NATO and trusted by Special Forces worldwide, the MCX Spear-LT IR delivers cutting-edge performance, reliability, and durability for any tactical scenario.

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Specifications

Accessory AttachmentM-LOK
ActionSemi-Auto
Barrel CoatingSalt Bath Nitride
Barrel ContourLightweight
Barrel Length11.5
Barrel MaterialCarbon Steel
BrandSig Sauer
Caliber Gauge5.56 NATO
ColorFlat Dark Earth
Frame SizePDW
Gas System TypeShort Stroke Gas Piston
Handguard11 in Freefloat Rail
Magazine Capacity30
ModelMCX Spear LT IR
Muzzle DeviceFlash Hider
Thread Pattern1/2 X 28
Twist Rate1:7
Weight6.68 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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