Smith & Wesson Response 13977 | 9mm | 16.5-inch

The Smith & Wesson Response is a pistol-caliber carbine designed around the FlexMag system to accept a variety of double-stack 9mm pistol magazines. It uses polymer upper and lower receivers with an M-LOK handguard and an optic-ready top rail for quick sighting solutions. The Response is built for range use and magazine-compatible flexibility while retaining a fixed stock for compliance in restricted jurisdictions. A practical optic under $1000 that pairs well with this carbine is the Vortex Strike Eagle 1-6×24 for fast target acquisition and versatile engagement ranges.

Product Specifications

• The UPC is 022188896954.
• The caliber is 9mm.
• The barrel measures 16.5 inches.
• The action is Semi-Auto.
• The listed capacity is 10.
• The product includes 2 10 rd. magazines.
• The barrel finish is Black Oxide.
• The overall length is 33.75 inches.
• The unloaded weight is 5.9 lbs.
• The receiver material is Polymer.
• The handguard is M-LOK style with Picatinny rail sections.
• The stock type is a Fixed Magpul-style stock.
• The sighting setup is listed as Optics Ready.
• The rifling twist rate is 1:10.
• The product is described as NJ Compliant.

The Response is a straightforward, magazine-compatible 9mm carbine aimed at shooters who value compatibility with common double-stack pistol magazines and a lightweight polymer construction. Its optic-ready receiver and M-LOK handguard make it easy to configure for range work or competition-style training. The fixed stock and included FLEXMAG adapters simplify compliant configurations while maintaining practical ergonomics and familiar MSR controls.

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