SIG MCX SPEAR for Sale

Quick Look

The SIG MCX SPEAR is the next-gen evolution of the SIG MCX platform, developed for the U.S. Army's Next Generation Squad Weapon trials. Built for modularity and firepower, it delivers superior ballistics with its hybrid recoil system and large-caliber options. Today, the MCX SPEAR stands as a flagship rifle for tactical professionals and advanced civilian shooters alike.

Why It's a Top Choice

• Modular platform supports multiple calibers and barrel lengths
• Monolithic upper with full-length M-LOK handguard
• Non-reciprocating side charging handle
• Reliable short-stroke gas piston operation
• Precision barrel and two-stage match trigger

Key Variants

SIG MCX SPEAR LT

Lighter version chambered in 5.56 NATO or 7.62x39 for LE and civilian use.

SIG MCX SPEAR 277 Fury

Military-grade configuration with .277 Fury chambering developed for battlefield application.

SIG MCX SPEAR SBR

Short-barreled rifle format for close-quarters and tactical versatility.

SIG MCX SPEAR 6.5 Creedmoor

Optimized for long-range shooting and precision applications.

SIG MCX SPEAR .308

Traditional .308 build for a balance of reach and availability.

Competitor Comparison Table

Best Use Cases

• Law enforcement and military applications
• Precision rifle competitions
• Self-defense in rural or high-threat environments
• Advanced tactical training
• High-end firearms collecting

FAQs

What is the SIG MCX SPEAR chambered in?

The MCX SPEAR is available in .277 Fury, 6.5 Creedmoor, .308 Winchester, and 5.56 NATO, depending on the variant.

Can I convert the MCX SPEAR to other calibers?

Yes, the platform supports caliber conversions via barrel and bolt changes within the modular upper.

How does the MCX SPEAR differ from the MCX Virtus?

The SPEAR adds a monolithic upper, non-reciprocating charging handle, larger calibers, and improved recoil control.