Sig Sauer MCX 5.56 NATO 11.5 in

Intro: The Sig Sauer MCX is an AR-style pistol chambered in .223 Rem/5.56 NATO designed for range use, training, and compact duty applications. The platform emphasizes modularity and compact handling while maintaining compatibility with common AR-15 pattern accessories.

Physical/Product Overview: This MCX configuration includes an 11.5-inch cold hammer-forged carbon steel barrel finished in Gen II NiR FDE Cerakote and a folding pistol brace for reduced folded length. The design incorporates an M-LOK compatible lightweight handguard, a SIG flatblade match trigger, and fully ambidextrous controls for intuitive operation.

Key Specifications

• The caliber is .223 REM/5.56 NATO.
• The barrel length is 11.5 inches.
• The barrel material is Cold Hammer Forged Carbon Steel.
• The rate of twist is 1-in-7".
• The muzzle threads are 1/2 in-28 tpi.
• The action type is Semi-Auto.
• The operating system is Gas Piston.
• The stock type is Pistol Brace (folding).
• The magazine capacity is 30 rounds.
• The receiver finish is Gen II NiR FDE Cerakote.

State Restrictions: This firearm is not available for direct shipment to California, Rhode Island, or Washington. This firearm is not available for sale to Illinois (PICA).

Closing: The Sig Sauer MCX .223 REM/5.56 NATO combines compact handling, modular features, and optics-ready capability. Buy the Sig Sauer MCX .223 REM/5.56 NATO online today for a compact AR-pattern pistol option.

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