SIG SAUER MCX SPEAR-LT IR 5.56 Rifle

$2,599.99

22 in stock

The SIG SAUER MCX SPEAR-LT IR 5.56 rifle offers an adaptable, lightweight carbine platform with a reliable short-stroke gas piston system, optimized for rigorous applications.

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SKU: LIP|SIRMCX556N16BIR

Product Overview

The SIG SAUER MCX SPEAR-LT IR 5.56 rifle represents a precisely engineered carbine platform, exhibiting a balanced configuration for demanding operational requirements. Chambered in 5.56x45mm NATO, this rifle features a 16-inch barrel, providing optimal ballistic characteristics and practical maneuverability across diverse applications, from competitive shooting to defensive engagements. The SPEAR-LT variant integrates specific design modifications to significantly reduce weight while enhancing modularity, delivering a robust yet highly manageable firearm.

Key Features

Operating System

The rifle employs a proven short-stroke gas piston operating system. This design promotes consistent, reliable cycling and effectively mitigates carbon fouling in the receiver, thereby extending intervals between maintenance and enhancing system longevity.

Construction & Ergonomics

The MCX SPEAR-LT IR incorporates a refined receiver profile and a slim, M-LOK compatible handguard, collectively reducing overall system mass. This optimization contributes to superior handling dynamics and reduced operator fatigue during extended periods of use. The rifle’s Coyote finish provides a durable, non-reflective surface treatment engineered for harsh environmental conditions and reduced visual signature.

Adaptability & Utility

Engineered for intrinsic adaptability, the MCX SPEAR-LT IR facilitates extensive user configuration. Its design accommodates a broad spectrum of firearm accessories and stock options, allowing specific customization to meet individual operational demands. The platform’s construction ensures secure integration of tactical optics and other mission-critical equipment, validating its suitability for rigorous training regimens and field deployment.

Technical Specifications

  • Caliber: 5.56x45mm NATO
  • Barrel Length: 16 inches
  • Operating System: Short-Stroke Gas Piston
  • Handguard: M-LOK Compatible
  • Finish: Coyote
UPC

798681699698

Manufacturer

Sig Sauer

Manufacturer Part Number

RMCX-556N-16B-IR

Caliber/Gauge

.223 REM/5.56 NATO

Barrel Length

16

Length

46.3500

ATF Type

MODERN SPORTING RIFLE

Action

Semi-Auto

Sights

No

Rate of Twist

1:7"

State Restriction (WA)

NO DIRECT SHIP TO WASHINGTON

State Restriction (RI)

NO DIRECT SHIP TO RHODE ISLAND

State Restriction (CA)

NO DIRECT SHIP TO CALIFORNIA

Capacity

30

Safety

Ambidextrous Lever

Model

MCX

Product Type

AR

Number of Magazines

1 28 rd.

Shipping Weight

10.45

Package Width

11.4

Package Height

4.2

Magazine Included

1 x 30-Round

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