Description

Description
The SIG SAUER MCX platform has long been the breeding ground for developing the best rifle system in the world through extensive testing, continued innovation and customer feedback. The MCX-SPEAR LT is a rugged and light weight rifle incorporating many upgrades from its predecessor the MCX Virtus. This new version has fewer screws on its handguard allowing improved cooling while still offering enhanced rigidity to help prevent barrel flexing and accuracy loss. As with all of the Sig Sauer modern sporting rifles, the trigger is standard AR15 style 3-hole with conventional hammer design allowing it to be compatible with virtually any aftermarket trigger. The ambidextrous bolt catch/release is located on both sides of this rifle making it extremely flexible in operation and ergonomics giving users multiple options on usage or configuration.
The SIG MCX-SPEAR LT is the latest in AR15 style modular rifles with a lightweight handguard for increased modularity, ambidextrous bolt release and a very thin profile barrel that reduces length and weight. This rifle has coyote paint finish for an aggressive look and can be adapted for special operations with standard magazine well adapters available. Achieve true performance with this rifle in the field.
The Sig Sauer MCX-SPEAR LT is built on the legendary Sig MCX platform, a true game-changer in the firearm industry. The MCX-SPEAR LT features a lightweight and aggressive milled handguard, an adjustable gas block, a shorter overall length with a minimal profile barrel and ambidextrous bolt catch/release.
SIG SAUER MCX SPEAR-LT SPECIFICATIONS
- Brand: Sig Sauer
- Category: Tactical Rifles
- Series: Spear LT
- Caliber: 5.56x45mm NATO
- Model: MCX
- Stock Finish Group: Brown
- Capacity: 30+1
- Stock Material: Synthetic
- Action: Semi-Auto
- OAL: 34.30″
- Hand: Ambidextrous
- Sights: Optic Ready
- Barrel Finish: Black
- Muzzle: 3 Prong Flash Hider
- Twist: 1:7″
- Magazine Type: AR-15
- Grips: Coyote Polymer
- Handguards: M-LOK Free-Float
- Safety: Ambidextrous Manual
- Thread Pattern: 1 / 2″-28 tpi
- Stock Description: Folding
- Barrel Description: Carbon Steel
- Barrel Length: 16″
- Max Capacity: 30
- Receiver Finish: Coyote Cerakote
- Trigger: Sig Flatblade Match
- Weight: 7 lbs
- Stock Finish: Coyote
Weight 112 oz Action
Semi-Auto
Barrel Length
16"
Cartridge Compatibility
5.56 NATO
Finish
Coyote
Stock Material
Synthetic
Magazine Capacity
30
Condition
New
CA Compliant
No
MPN RMCX-556N-16B-LT UPC 798681660872
SKU: 20354

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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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