SIG MCX SPEAR LT for Sale
Browse SIG MCX SPEAR LT listings from verified sellers across the U.S. on GunsAmerica.
Quick Look at the Sig MCX SPEAR LT
The Sig MCX SPEAR LT is a refinement of Sig Sauer's modular rifle platform, built upon operator feedback from global deployments. Designed for superior adaptability, it features a monolithic upper, lightened profile, and improved recoil management. In today's market, the SPEAR LT is gaining traction with professionals and enthusiasts for its balance of performance and modularity.
Why It's a Top Choice
- Lightweight monolithic upper enhances durability and rigidity
- Ambidextrous controls for versatile handling
- Cold hammer-forged barrel options in multiple calibers
- Suppressor-ready with minimal gas blowback
- M-LOK handguard for accessory compatibility
Key Variants
Sig MCX SPEAR LT 5.56
Ideal for AR-15 users seeking upgraded performance without changing caliber.
Sig MCX SPEAR LT 7.62x39
Perfect for those wanting AK ballistics with modern ergonomics.
Sig MCX SPEAR LT 300 Blackout
Optimized for suppressed performance in short-barrel setups.
Sig MCX SPEAR LT vs Competitors
| Feature | Sig Mcx Spear Lt | Daniel Defense M4A1 | LWRC IC DI |
|---|---|---|---|
| MSRP | $2,500+ | $1,900+ | $1,800+ |
| Capacity/Size | 30+1, carbine length | 30+1, carbine | 30+1, carbine |
| Weight | 7.9 lbs (5.56 model) | 6.74 lbs | 7.3 lbs |
| Optics-Ready | Yes, full-length rail | Yes | Yes |
| Trigger Type | Flat match-grade | Mil-spec | Enhanced |
| Notable Pro | Superb modularity and caliber options | Combat-proven durability | Excellent gas system choices |
| Notable Con | High price point | Limited modularity | Heavier than others |
Best Use Cases
- Self-defense
- Law enforcement duty rifle
- SBR or suppressed tactical builds
- High-performance competition
- Technical rifle training
FAQs
What is the Sig MCX SPEAR LT's barrel length?
The SPEAR LT comes in barrel lengths of 11.5, 13, and 16 inches depending on caliber and configuration.
Can I install standard AR-15 parts on the SPEAR LT?
Lower parts compatibility is limited; it uses a proprietary recoil system and upper assembly.
How does the SPEAR LT differ from the original MCX?
The SPEAR LT is lighter, more ergonomic, and offers ambidextrous improvements and a thinner profile.
Prefer nearby results? Toggle to search local listings.
Sig Sauer MCX Spear LT 7.62x39 Pistol 11
$2,499.00
SIG SAUER MCX Spear-LT Pistol 7.62 x 39m
$1,999.99
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