Sig Sauer MCX-SPEAR LT IR | .300 AAC Blackout | 9″ BBL | 30rd

The Sig Sauer MCX-SPEAR LT IR is a compact short-barreled rifle configured in .300 AAC Blackout with a 9″ barrel, a folding stock and a single 30-round magazine. The platform emphasizes modularity and compact handling for use where maneuverability is a priority. For optics, the Vortex Strike Eagle 1-6×24 is a suitable, widely available option under $1,000 that covers close-to-mid range engagements while preserving low-profile mounting.

Product Specifications

• The caliber is .300 AAC Blackout.
• The barrel length is 9″.
• The action is Semi-Auto.
• The capacity is 30 rounds.
• The model is listed as MCX.
• The finish is Anodized.
• The color is Flat Dark Earth.
• The stock type is Folding.
• The package includes 1 x 30-Round magazine.
• The magazine type is Removable.
• The handguard is an Aluminum M-LOK Handguard.
• The rate of twist is 1-in-5″.
• The muzzle is Non-Threaded.
• The overall length is 27.8″.
• The ATF model is SIG-RMCX and the ATF type is listed as SILENCER.
• The UPC is 798681699674.

This MCX-SPEAR LT IR blends Sig Sauer’s modular MCX architecture with a short 9″ barrel and compact folding stock to offer a maneuverable, configurable rifle system. Its parts set and magazine capacity make it practical for suppressed-range work and close-quarters training where compact handling and reliability are priorities. The aluminum M-LOK handguard supports a wide range of accessories while the platform maintains straightforward field maintenance and modularity.

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