Sig Sauer MCX Spear 7.62x51mm NATO AR Pistol

$3,999.99

20 in stock

Sig Sauer MCX Spear: 7.62x51mm NATO AR Pistol with a 13-inch barrel. NGSW-derived, offers compact power and operational versatility.

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SKU: LIP|SIPSPEAR76213B

The Sig Sauer MCX Spear AR Pistol, chambered in 7.62x51mm NATO, represents a robust and compact firearms platform engineered from the U.S. Army’s Next Generation Squad Weapon (NGSW) program. Featuring a 13-inch barrel, this system delivers the formidable ballistic performance of the 7.62x51mm cartridge within a highly maneuverable form factor, optimized for diverse operational profiles.

Key Features

Operational Versatility

Designed for uncompromising operational flexibility, the MCX Spear integrates a two-position adjustable gas block. This critical feature enables the user to precisely tune gas pressure, optimizing performance for both suppressed and unsuppressed firing configurations across various ammunition types. The included SLX/SLH QD flash hider directly facilitates the rapid attachment of compatible suppressors, enhancing tactical utility.

Ergonomics and Control

Operator interface is prioritized with fully ambidextrous controls, including the bolt catch/release and both rear and side charging handles. This comprehensive ambidextrous architecture ensures intuitive and efficient manipulation for all users, adapting to dynamic shooting scenarios without compromise. The firearm is equipped with a durable OEM polymer grip, providing consistent purchase.

Robust Construction

Derived from stringent military requirements, the MCX Spear’s construction prioritizes durability and reliable function under demanding conditions. Its distinct Coyote finish provides a low-visibility aesthetic suitable for tactical environments. Configured as an AR pistol, this variant is delivered without a brace, providing a concise package ready for user-specific customization or deployment.

Technical Specifications

  • Caliber: 7.62x51mm NATO
  • Barrel Length: 13 inches
  • Gas System: Two-Position Adjustable Gas Block
  • Muzzle Device: SLX/SLH QD Flash Hider
  • Controls: Ambidextrous Bolt Catch/Release, Rear and Side Charging Handles
  • Grip: OEM Polymer
  • Finish: Coyote
  • Configuration: AR Pistol (No Brace Included)
  • Magazine Compatibility: Accepts Standard 20-Round Magazines
  • SKU: LIP|SIPSPEAR76213B
UPC

798681681372

Manufacturer

Sig Sauer

Manufacturer Part Number

PSPEAR-762-13B

ATF Type

MODERN SPORTING RIFLE

Action

Semi-Auto

Sights

No

Rate of Twist

1:10"

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

20

Length

46.1500

Caliber/Gauge

.308 / 7.62 NATO

Barrel Length

13

Safety

Ambidextrous

Product Type

AR

Model

MCX

Thread Pattern

5/8"-24 tpi

Barrel Finish

Black

Number of Magazines

1 20 rd.

Package Height

4.2

Package Width

11.4

Shipping Weight

10.55

Magazine Included

1 x 20-Round

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