Magpul UCS Universal Carbine Stock

Modular Folding Stock for M1913 Picatinny‑Railed Platforms

The Magpul UCS is a highly adaptable folding carbine stock designed for firearms featuring a vertical M1913 Picatinny rail at the rear of the receiver. Compatible with SIG MCX, SIG Spear, Springfield Armory KUNA, and any platform with a Picatinny stock interface or appropriate adapter.

Product Details

• Reversible hinge allows folding to either side
• 5° canted drop for improved charging handle and port clearance
• Ships with two cheek risers (0.50" and 0.75")
• Tool‑free reversible M1913 clamp enabling ½‑slot height adjustment
• 6‑position length‑of‑pull (LOP) adjustment spanning 3 " (≈ 76 mm)
• Reversible anti‑rotation QD sling attachment socket
• MOE SL® Enhanced Rubber Butt‑Pad (0.70") for enhanced comfort
• Made in the USA