SIG MCX SPEAR for Sale
Browse Sig MCX Spear listings from verified sellers across the U.S. on GunsAmerica.
Quick Look
The SIG MCX Spear was developed as a modern, modular rifle platform tailored for U.S. military needs. Designed for adaptability and superior ergonomics, it balances reliability with advanced tactical features. It maintains strong market presence as a leading choice in military and tactical rifles.
Why It's a Top Choice
- Highly modular for quick caliber and configuration changes
- Short-stroke gas piston system reduces fouling
- Integrated suppressor-ready barrel options available
- Advanced ergonomics with ambidextrous controls
- Proven reliability under combat conditions
Key Variants
SIG MCX Spear 6.8 — Chambered in 6.8mm, optimized for US Army's Next Generation Squad Weapon.
SIG MCX Spear 5.56 — Classic 5.56 NATO model suited for law enforcement and civilian tactical use.
SIG MCX Spear Patrol — Compact variant designed for close quarters and patrol duties.
Competitor Comparison Table
| Feature | Sig Mcx Spear | Hk416 | Fn Scar |
|---|---|---|---|
| MSRP | $3,500–$4,200 | $3,300–$4,000 | $3,700–$4,500 |
| Capacity/Size | 30-round mags, 6.8mm or 5.56mm | 30-round mags, 5.56mm or 7.62mm | 20/30-round mags, 5.56mm or 7.62mm |
| Weight | ~7.9 lbs (6.8mm) | ~8.6 lbs (5.56mm) | ~7.9 lbs (5.56mm) |
| Optics-Ready | Integrated Picatinny and M-LOK rails | Top rail standard | Full-length top rail |
| Trigger Type | Two-stage MIL-SPEC | Single-stage | Two-stage |
| Notable Pro | Highly modular and lightweight | Battle-proven with robust design | Versatile multi-caliber options |
| Notable Con | Higher MSRP than many competitors | Heavier weight | More complex maintenance |
Best Use Cases
- Military and tactical operations
- Law enforcement patrol and special teams
- Precision range training
- Home defense with modular setup
- Firearms collections highlighting modern design
FAQs
Can I customize the SIG MCX Spear for different calibers?
Yes, the MCX Spear platform supports quick barrel and caliber changes including 6.8mm and 5.56mm configurations.
What trigger does the SIG MCX Spear use?
It features a two-stage MIL-SPEC trigger designed for consistent pull and reliability in tactical applications.
How does the SIG MCX Spear compare to the HK416?
The MCX Spear offers lighter weight and modularity, while the HK416 is known for battle-proven durability and wider caliber options.
Prefer nearby results? Toggle to search local listings.
Sig Sauer MCX Spear LT 7.62x39 Pistol 11
$2,499.00
Sig Sauer MCX-Spear .308 Pistol (PSPEAR-
$3,799.99
SIG SAUER MCX Spear-LT Pistol 7.62 x 39m
$1,999.99
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