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Description

Sig Sauer PMCX300B9BIR MCX Spear LT IR 300 Blackout 30+1 9" Black FNC Steel Threaded Barrel Flat Dark Earth Cerakote Picatinny Rail Alloy Steel Receiver M-LOK Handguard Folding Brace w/Push Button Hinge Flat Dark Earth FDE Polymer Grip Ambidextrous

The Sig MCX-Spear LT IR rifle built upon the legacy of its predecessor, the MCX Virtus. Features fully ambi controls; folding brace w/push-button hinge; reduced IR Signature Gen II NIR; interchangeability with all MCX LT barrels and handguards and Sig suppressor ready QD slash hider.

Brand Sig Sauer
Category Tactical Rifles
Series Spear LT IR
Model MCX
Caliber 300 Blackout
Barrel Length Range 9" to 9.99"
Operating System Gas Piston
Stock Finish Group Brown
Capacity 30+1
Action Semi-Auto
OAL 29.75"
Frame Material Flat Dark Earth
Hand Ambidextrous
Sights None
Barrel Finish Black FNC
Barrel Material Cold Hammer Forged Steel
Muzzle QD Flash Hider
Twist 1:5"
Receiver Description Picatinny Rail
Grips Flat Dark Earth Polymer
Handguards M-LOK
Height 7.50"
Receiver Material Alloy Steel
Safety Ambidextrous Lever
Thread Pattern 1 / 2"x28
Width 2.90"
Stock Description Folding Brace w / Push Button Hinge
Barrel Description Steel Threaded
Barrel Length 9"
Max Capacity 30
Receiver Finish Flat Dark Earth Cerakote
Trigger Flat Blade Match
Weight 6.09 lbs
Stock Finish Flat Dark Earth

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. 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. - SIG MCX-SPEAR LT FEATURES: - Lightweight Ergonomic Handguard - SIG Flatblade Match Trigger - Fully Ambidextrous Controls - Interchangeable Barrels - Rocksett� SIG QD Suppressor-Ready Flash Hider - CALIBER 300BLK - BARREL LENGTH 9 in [228.6 mm] - BARREL MATERIAL Cold Hammer Forged Carbon Steel - TWIST RATE 1:5 - THREADS 5/8 in-24 - ACTION TYPE Semi-Auto - OPERATING SYSTEM Gas Piston - STOCK TYPE PCB - GRIP TYPE Polymer - TRIGGER TYPE SIG Flat Blade Match - TRIGGER SHAPE Flat - FOREND TYPE Alloy - ACCESSORY RAIL M-LOK - MAG TYPE AR-15 - MAGS INCLUDED (1) 30rd Polymer Mag - RECEIVER FINISH Gen II NiR FDE Cerakote - OVERALL LENGTH 27.5 in - FOLDED LENGTH 16.38 in - OVERALL WIDTH 2.9 in (73.7 mm) - HEIGHT 7.5 in (190.5 mm) - WEIGHT 5.6 lb (2.5 kg) - FORWARD ASSIST Yes - ADJUSTABLE GAS SYSTEM Yes

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Rebates for Sig Sauer brand

Exp. date: 01.09.2026
Buy a New Applicable SIG SAUER Handgun Between 06/01/26 and 08/31/26, Receive One (1) SIG SAUER FOXTROT-EDC COMPACT Flashlight. (SKU: SOFEC002)
*Purchases of all SIG SAUER P365, P320, M17-M18, P210, P211, P220, P226, P229 and 1911 models are included in this offer. All other SIG SAUER Handguns are excluded from this promotion.

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