
Outfitters Score™
Excellent
Sig Sauer scores as a top-tier build with premium pricing and a bare-bones configuration.
Our proprietary rating combines brand tier, price percentile within the caliber, feature completeness, barrel versatility, retailer availability, caliber practicality, and use-case fit.
Description
Sig Sauer MCX-SPEAR LT IR 5.56mm NATO 16in Gen II NiR Cerakote Semi Automatic Modern Sporting Rifle - 30+1 Rounds - Utilizing Cerakote Gen II IR Coating and SIG SAUER's Tele-fold stock design, the MCX-SPEAR LT IR offers reduced visibility under thermal or night view use while protecting the longevity of your firearm. The Cerakote Gen II IR Coating offers superior wear and corrosion resistance against adverse conditions enhancing the reliability of the rifle. Initially available in 556 NATO, the IR Series delivers the performance that has allowed the MCX to receive the nod from Special Forces Groups from around the world and reliability that makes it a SIG SAUER. Reduced IR Signature Gen II FDE Cerakote; Telescoping/Folding Stock With Push-Button Hinge; Fully Ambidextrous Safety, Charging Handle and Mag Release; SIG Suppressor-Ready QD Flash Hider; Interchangeability with ALL MCX-LT Barrels and Handguards;
Features
Ambidextrous|Ambi
Full Specifications
Overview
| Brand | Sig Sauer |
| Model | RMCX-556N-16B-IR |
| SKU | 1899471 |
| Rifle Type | semi auto |
| Platform | AR15 |
| Caliber | 5.56 NATO |
| UPC | 0798681699698 |
Receiver
| Receiver Finish | cerakote |
| Forward Assist | No |
| Dust Cover | No |
Handguard
| Free Float | No |
Muzzle
| Muzzle Device | flash-hider |
| Suppressor Ready | Yes |
Sights & Optics
| Optic Ready | No |
Finish
| Finish | fde |
| Cerakote | Semi Automatic |
Compliance
| CA Compliant | No |
| Classification | Rifle |
| NFA Item | No |
What's Included (Complete Rifle)
This is a complete, ready-to-shoot firearm.
Upper Receiver
Lower Receiver
Barrel
Bolt Carrier Group
Handguard
Stock
Grip
Trigger
Muzzle Device
flash-hider
Charging Handle
Gas Block
Gas Tube
Buffer Tube
Backup Iron Sights
Optic
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Manufacturer · Tier 1
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Build Guide
See our Suppressor-Ready Build→
State Check
This rifle has NFA or magazine considerations →
Swiss-origin firearms giant. The M400 and MCX platforms compete in the premium space, and Sig won the US Army NGSW rifle contract with the XM7.
View brand profile →MCX-SPEAR LT IR 5.56mm NATO 16in Gen II NiR Cerakote Semi Automatic Modern Sporting Rifle - 30+1 Rounds - Tan
RMCX-556N-16B-IR
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