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Quick Look

The SIG MCX Spear, introduced in 2023, is a modern rifle designed to meet U.S. Army's Next Generation Squad Weapon requirements. It features a compact, modular design with advanced materials for enhanced performance. Currently, it is a leading choice in military and tactical rifle markets.

Why It's a Top Choice

Chambered in 6.8mm for superior terminal ballistics
Modular design for adaptable mission profiles
Advanced short-stroke gas piston system for reliability
Optics-ready with integrated mounting solutions
Lightweight construction for improved maneuverability

Key Variants

MCX Spear Mod 1

Standard issue variant focused on reliability and ease of maintenance in combat environments.

MCX Spear Mod 2

Enhanced ergonomics and accessory compatibility tailored for specialized units.

Competitor Comparison Table

Feature	MCX Spear	HK437	FN SCAR 20S
MSRP	$2,500+	$3,100+	$3,000+
Caliber	6.8mm	7.62mm	7.62mm
Weight	7.5 lbs	8.7 lbs	8.5 lbs
Optics-Ready	Yes	Yes	Yes
Trigger Type	Short Reset	Two-Stage	Single-Stage
Notable Pro	Lightweight with advanced ballistics	Proven durability and accuracy	Highly versatile platform
Notable Con	New caliber, limited civilian availability	Heavier than competitors	Higher cost

Best Use Cases

Military and tactical squad-level engagements
Advanced training and marksmanship development
Special operations requiring modularity
Modern combat scenarios needing lightweight firepower
Collection of cutting-edge military firearms

FAQs

Can I use standard AR-15 magazines with the MCX Spear?

No, the MCX Spear uses proprietary magazines designed for 6.8mm ammunition, which differ from AR-15 magazines.

What is the effective range of the MCX Spear?

Effective range is approximately 1,000 meters, optimized for mid- to long-range infantry engagements.

How does the MCX Spear's gas system improve reliability?

It uses a short-stroke gas piston system that reduces fouling and enhances reliability in harsh conditions.

MCX SPEAR for Sale