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Sig Sauer MCX-SPEAR LT 5.56 NATO 16″ Folding Stock

Sig Sauer MCX-SPEAR LT 5.56 NATO 16″ Folding Stock

$2,599.99

Sig Sauer MCX-SPEAR LT semi-automatic rifle chambered in 5.56 NATO with a 16″ barrel, M-LOK handguard, cold hammer-forged carbon steel barrel, gas-piston operating system, and folding Minimalist Plus stock.

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SKU: ZND|GRMCX556N16BLTBCategories: AR RiflesTags: Online Only

The Sig Sauer MCX-SPEAR LT is a modular semi-automatic rifle chambered in 5.56 NATO and built for adaptable field and range use. It pairs a 16-inch cold hammer-forged carbon steel barrel with a lightened M-LOK handguard and a folding Minimalist Plus stock for compact transport and quick deployment. The platform uses a gas-piston operating system with an adjustable gas system to support a range of suppressor and ammunition configurations.

Key Specifications

  • The caliber is 5.56 NATO.
  • The barrel length is 16 inches.
  • The barrel is cold hammer-forged carbon steel.
  • The action type is semi-automatic.
  • The operating system is a gas-piston design.
  • The rifle features an adjustable gas system.
  • The handguard provides M-LOK accessory attachment points.
  • The stock type is a Folding Minimalist Plus stock.
  • The twist rate is 1:7.
  • The unloaded weight is approximately 7.5 lb.

Designed for shooters who value modularity and practical performance, the MCX-SPEAR LT delivers a stable shooting platform with straightforward adaptability for optics and accessories. Its combination of a robust barrel, M-LOK interface, and compact folding stock makes it a versatile choice for precision-focused range use and other applications where a reliable, configurable rifle is required.

Product information is supplied by the manufacturer and/or distributor and may be automatically formatted or enhanced using AI for clarity and consistency. While we strive for accuracy, specifications, features, and included items may change without notice. Always verify details using the manufacturer’s official documentation and the information shown on this product page before purchase or use.

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UPC

798681683321

Manufacturer

Sig Sauer

Manufacturer Part Number

RMCX556N16BLTB

Action

Semi-Auto

ATF Type

MODERN SPORTING RIFLE

Barrel Length

16"

Caliber/Gauge

.223 REM/5.56 NATO

Capacity

30

Length

35.1''

Magazine Included

1 x 30-Round

Model

MCX

Number of Magazines

1 30 rd.

Package Height

4.5

Package Width

11.5

Product Type

AR

Rate of Twist

1:7"

Shipping Weight

10.4

Sights

No

State Restriction (CA)

NO DIRECT SHIP TO CALIFORNIA

State Restriction (RI)

NO DIRECT SHIP TO RHODE ISLAND

State Restriction (WA)

NO DIRECT SHIP TO WASHINGTON

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