Magpul UCS Universal Carbine Stock FDE — 1913 Picatinny

The Magpul UCS (Universal Carbine Stock) in Flat Dark Earth is a six-position, push-button adjustable carbine stock designed for receivers with a vertical M1913 Picatinny rail. It provides a total of 3 inches of length-of-pull adjustment and a reversible M1913 clamp that allows ½-slot height adjustment. The UCS also features a reversible hinge for left- or right-side folding and five degrees of drop for improved clearance in varied configurations.

Key Specifications

• The stock fits a 1913 Picatinny rail.
• Designed for AR-15 style receivers using a vertical rail for stock fitment.
• The stock offers six positions with a push-button adjustable length of pull.
• Length of pull adjusts a total of 3 inches.
• Features a reversible M1913 clamp allowing ½-slot height adjustment.
• Includes a reversible hinge for left- or right-side folding configurations.
• Provides five degrees of drop for clearance.
• Constructed from polymer with a matte finish in Flat Dark Earth.
• Styled for carbine applications and general-purpose mounting on compatible platforms.

Practical and adaptable, the UCS is a straightforward upgrade for builders and shooters who need a reliable, adjustable stock that integrates cleanly with Picatinny-mounted receivers. Its reversible clamp and folding hinge increase installation options, while the polymer construction and matte Flat Dark Earth finish provide durable, low-profile service for a wide range of carbine builds.