Sig Sauer MCX/MPX Coyote Brown Folding Stock Assembly 8901673

The Sig Sauer 8901673 folding stock transforms MCX and MPX platforms into compact, versatile firearms without sacrificing stability or control. This Coyote Brown stock assembly delivers the same solid lockup as fixed stocks while reducing overall length by 7 inches when folded.

What Makes This Different

Unlike basic folding mechanisms that introduce wobble or flex, this stock maintains rigid lockup in both extended and folded positions through Sig's proprietary hinge system. The stock features a steel reinforced pivot point rated for over 10,000 fold cycles. Military-grade anodizing in Coyote Brown matches current issue equipment and resists wear from repeated manipulation.

Key Features

• Quick-detach folding mechanism reduces length from 32" to 25" when folded
• Steel-reinforced pivot point with spring-loaded locking mechanism
• Ambidextrous release lever accessible from either side
• Coyote Brown Type III hard-coat anodized finish
• Compatible with MCX, MPX, and PCB platform rifles
• Textured buttpad with 0.75" length of pull adjustment
• Sling attachment points at heel and toe positions

This stock excels in vehicle operations, confined spaces, and storage situations where compact dimensions matter. Law enforcement agencies report improved maneuverability in building searches while maintaining full-size stability when deployed. The stock locks solidly in both positions with no detectable play during rapid fire strings. Weather sealing prevents debris infiltration into the folding mechanism during field use.

Technical Specs

• Weight: 1.2 pounds
• Length of pull: 13.5" to 14.25" adjustable
• Material: 6061-T6 aluminum with steel reinforcements
• Finish: Type III hard-coat anodized Coyote Brown
• Compatibility: MCX, MPX, PCB platforms
• Installation: Drop-in replacement, no gunsmithing required
• Country of origin: United States

This folding stock delivers the compact storage benefits tactical users demand while maintaining the solid platform required for accurate shooting. Professional operators choose this stock when mission requirements include both vehicle transport and precision engagement capabilities.