Sig Sauer

Sig Sauer MCX-Spear LT 5.56 11.5" SBR - IR Cerakote Finish

(No reviews yet) Write a Review
SKU:
RMCX-556N-11B-IR-SBR
UPC:
798681699681
MPN:
RMCX-556N-11B-IR-SBR
Availability:
In Stock If You Can Add To Cart!
Shipping:
Calculated at Checkout
  • Sig Sauer MCX-Spear LT 5.56 11.5" SBR - IR Cerakote Finish, RMCX-556N-11B-IR-SBR, 798681699681
  • Sig Sauer MCX-Spear LT 5.56 11.5" SBR - IR Cerakote Finish, RMCX-556N-11B-IR-SBR, 798681699681
  • Sig Sauer MCX-Spear LT 5.56 11.5" SBR - IR Cerakote Finish, RMCX-556N-11B-IR-SBR, 798681699681
  • Sig Sauer MCX-Spear LT 5.56 11.5" SBR - IR Cerakote Finish, RMCX-556N-11B-IR-SBR, 798681699681
  • Sig Sauer MCX-Spear LT 5.56 11.5" SBR - IR Cerakote Finish, RMCX-556N-11B-IR-SBR, 798681699681
MSRP: $2,729.99
$2,499.99
— You save $230.00
Frequently bought together:

Description

Sig Sauer MCX-Spear LT 5.56 11.5" SBR - IR Cerakote Finish

Elevate your battlefield edge with the SIG SAUER MCX-SPEAR-LT IR, a cutting-edge tactical rifle engineered for elite shooters who demand speed, stealth, and precision. With a lightweight handguard and Cerakote Gen II IR finish, this platform offers reduced infrared visibility and superior corrosion resistance, making it a formidable tool in both daylight and low-light ops. Designed to excel in dynamic environments, the 11.5" carbon steel barrel, SIG Flatblade Match Trigger, and fully ambidextrous controls provide unmatched responsiveness and accuracy across any engagement range.

Whether you're maneuvering tight corners or reaching out at distance, the MCX-SPEAR-LT delivers a sleek profile and intuitive handling with its minimalist folding stock and ergonomic grip design. The Rocksett® QD flash hider, suppressor-ready build, and interchangeable barrel system offer mission-specific customization trusted by Special Forces and tactical professionals around the globe. This isn’t just a rifle—it’s a platform built for performance, precision, and adaptability.

Cerakote Gen II IR Finish
Lowers IR signature and enhances resistance to wear and corrosion

SIG Flatblade Match Trigger
Crisp break improves shot consistency and control under pressure

Ambidextrous Controls
Designed for seamless operation by both right- and left-handed shooters

Interchangeable Barrel System
Enables caliber and configuration swaps based on mission needs

Suppressor-Ready Flash Hider
Outfitted for quick-detach compatibility with SIG silencers

Gas Piston Operation
Delivers smooth cycling and cleaner performance than direct impingement

Folding Minimalist Plus Stock
Compact storage with robust shoulder support

Lightweight Handguard
Promotes faster handling and reduces fatigue without sacrificing strength

Specifications

  • Caliber: 5.56 NATO
  • Operation: Semi-Auto, Gas Piston
  • Barrel Length: 11.5" (Carbon Steel)
  • Twist Rate: 1:7
  • Muzzle Thread: 1/2" x 28 TPI
  • Trigger Type: SIG Flatblade Match
  • Stock: Folding Minimalist Plus (Polymer)
  • Handguard: Alloy M-LOK Compatible
  • Receiver Type: AR-15
  • Finish: Gen II FDE Cerakote (Reduced IR Signature)
  • Overall Length: 29.5"
  • Width: 2.9"
  • Height: 7.5"
  • Weight: 6.9 lbs (3.1 kg)
  • Magazine Included: 1x 30-Round Polymer Magazine
  • Suppressor Ready: Yes (Rocksett® SIG QD Flash Hider)
  • Ambidextrous Controls: Yes
  • Barrel Interchangeability: Yes
View AllClose

Additional Information

FFL:
Yes
FFL_FIREARM_TYPE:
NFA
View AllClose