SIG MCX SPEAR SBR 7.62×51, 13″ Barrel, 20+1, Compact Tactical

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SIG MCX SPEAR SBR 7.62X51 13″ 20R CT

The MCX SPEAR is Sig Sauer’s submission to the U.S. Army Next Generation Squad Weapon Program – a program intended to replace the current M4A1. This advanced AR-Platform comes fully equipped with a wide array of Sig exclusive features and user-friendly designs. The MCX SREAR is outfitted with fully ambidextrous controls including the safety and bolt release, as well as two non-reciprocating charging handles, one mounted on the left side and one at the rear. To ensure superior accuracy, the MCX SPEAR utilizes a Chrome Lined DLC barrel and a 2-stage match trigger.

$3,499.99

10 in stock

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SIG MCX SPEAR SBR 7.62X51 13″ 20R CT – Combat-Proven Precision, Compact Power

When you demand performance that matches your experience, the SIG MCX SPEAR SBR delivers 🔥. Chambered in 7.62×51 NATO with a 13” barrel, this Short Barrel Rifle brings the battle-proven reliability of the MCX platform into a compact, hard-hitting package built for the modern warrior—or the tactical dad who doesn’t cut corners.

Built on a rugged monolithic upper with fully ambidextrous controls, the MCX SPEAR SBR ensures seamless manipulation whether you’re running drills or defending what matters most. The non-reciprocating, side-folding charging handle keeps your profile tight and your reloads slick 💪.

Key features:

  • Caliber: 7.62×51 NATO (.308 Win compatible)
  • Barrel: 13” cold hammer-forged
  • Capacity: 20-round mag (included)
  • M-LOK handguard, ready for your favorite optics, lights, and grips
  • Two-stage match trigger for crisp, consistent pulls
  • Adjustable gas system for suppressed or unsuppressed use

Whether you’re a weekend range warrior or a home-defense strategist, the SPEAR SBR offers the stopping power of a battle rifle with the agility of an SBR. And yes—it’s NFA compliant (so get that Form 1 ready 📝).

The SIG MCX SPEAR SBR 7.62×51 isn’t just another rifle—it’s a statement. Compact. Reliable. Powerful.

✅ Built for those who train hard and shoot straight.
✅ Ready for the fight—whatever form it takes.

Own the edge. Grab yours before they’re gone.

UPC

798681674015

Manufacturer

Sig Sauer

Manufacturer Part Number

RSPEAR76213BSBR

Capacity

20

Caliber/Gauge

.308 / 7.62 NATO

Barrel Length

13"

Action

Semi-Auto

Product Type

SBR

Safety

Ambidextrous

Model

MCX

Package Height

4.3

Number of Magazines

1 20 rd.

ATF Type

SHORT BARREL RIFLE

Package Width

11.4

Rate of Twist

1-in-10"

Sights

No Sights / Optics Ready

Shipping Weight

11.5

Magazine Included

1 x 20-Round

Length

35''

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